Move API to python.

api/Dockerfile

@@ -1,31 +1,13 @@
-FROM node:15.14-buster
-
-# Install python3, pip3, and make them the default for `python` and `pip` commands
-RUN apt-get update && apt-get install -y python3 python3-pip
-RUN ln -s $(which python3) /usr/local/bin/python
-RUN ln -s $(which pip3) /usr/local/bin/pip
+FROM python:3.9.7-bullseye
 
 WORKDIR /opt/obs/api
 
-ADD package.json package-lock.json /opt/obs/api/
-RUN echo update-notifier=false >> ~/.npmrc
-RUN npm ci
+ADD scripts /opt/obs/scripts
+RUN pip install -e /opt/obs/scripts
 
-ADD scripts /opt/obs/api/scripts/
-ADD tools /opt/obs/api/tools/
-ADD requirements.txt /opt/obs/api/
-RUN pip install -r requirements.txt
-RUN pip install -e ./scripts
+ADD requirements.txt setup.py obs /opt/obs/api/
+RUN pip install -e .
 
-ADD views /opt/obs/api/views/
-ADD src /opt/obs/api/src/
+EXPOSE 8000
 
-#ADD .migrations.js .
-#ADD migrations .
-
-EXPOSE 3000
-
-ENV PORT=3000
-ENV DATA_DIR=/data
-
-CMD ["npm", "run", "start"]
+CMD ["obs-api"]

api/config.dev.json

@@ -1,34 +0,0 @@
-{
-  "cookieSecret": "CHANGEME!!!!!!!!!!@##@!!$$$$$$$$$$$$$!!",
-  "jwtSecret": "CHANGEME??????????????////3212321;312kjbkasjd",
-  "baseUrl": "http://localhost:3000/",
-  "mainFrontendUrl": "http://localhost:3001/",
-  "mail": false,
-  "mongodb": {
-    "url": "mongodb://mongo/obsTest",
-    "debug": false
-  },
-  "postgres": {
-    "url": "postgresql+asyncpg://obs:obs@postgres/obs"
-  },
-  "redisUrl": "redis://redis",
-  "oAuth2Clients": [
-    {
-      "clientId": "b730f8d2-d93c-4c68-9ff0-dfac8da76ee2",
-      "validRedirectUris": ["http://localhost:3001/redirect"],
-      "refreshTokenExpirySeconds": 604800,
-      "maxScope": "*",
-      "title": "OBS Portal",
-      "autoAccept": true
-    },
-    {
-      "clientId": "a2958209-4045-4ec9-8cb3-1156abba7de3",
-      "validRedirectUris": ["__LOCAL__"],
-      "maxScope": "track.upload",
-      "refreshTokenExpirySeconds": 86400000,
-      "title": "OpenBikeSensor"
-    }
-  ],
-  "imprintUrl": "https://example.com/imprint",
-  "privacyPolicyUrl": "https://example.com/privacy"
-}

api/config.dev.py

@@ -0,0 +1,39 @@
+# Bind address of the server
+HOST = "0.0.0.0"
+PORT = 3000
+
+# Extended log output, but slower
+DEBUG = True
+
+# Required to encrypt or sign sessions, cookies, tokens, etc.
+SECRET = "CHANGEME!!!!!!!!!!@##@!!$$$$$$$$$$$$$!!"
+
+# Connection to the database
+POSTGRES_URL = "postgresql+asyncpg://obs:obs@postgres/obs"
+
+# URL to the keycloak realm, as reachable by the API service. This is not
+# necessarily its publicly reachable URL, keycloak advertises that iself.
+KEYCLOAK_URL = "http://keycloak:8080/auth/realms/OBS%20Dev/"
+
+# Auth client credentials
+KEYCLOAK_CLIENT_ID = "portal"
+KEYCLOAK_CLIENT_SECRET = "76b84224-dc24-4824-bb98-9e1ba15bd58f"
+
+# The root of the frontend. Needed for redirecting after login, and for CORS.
+MAIN_FRONTEND_URL = "http://localhost:3001/"
+
+# Mail settings
+MAIL_ENABLED = False
+
+# Urls to important documents, hosted elsewhere
+IMPRINT_URL = "https://example.com/imprint"
+PRIVACY_POLICY_URL = "https://example.com/privacy"
+
+# API_ROOT_DIR = "??" # default: api/ inside repository
+DATA_DIR = "/data"
+# PROCESSING_DIR = "??" # default: DATA_DIR/processing
+# PROCESSING_OUTPUT_DIR = "??"  # default: DATA_DIR/processing-output
+# TRACKS_DIR = "??" # default: DATA_DIR/tracks
+# OBS_FACE_CACHE_DIR = "??" # default: DATA_DIR/obs-face-cache
+
+# vim: set ft=python :

api/config.json.example

@@ -1,42 +0,0 @@
-{
-  "cookieSecret": "!!!<<<CHANGEME>>>!!!",
-  "jwtSecret": "!!!<<<CHANGEME>>>!!!",
-  "baseUrl": "https://portal.example.com/api",
-  "mainFrontendUrl": "https://portal.example.com/",
-  "mail": {
-    "from": "Sender Name <sender@example.com>",
-    "smtp" : {
-      "host": "mail.example.com",
-      "port": 465,
-      "starttls": false,
-      "username": "sender@example.com",
-      "password": "!!!<<<CHANGEME>>>!!!"
-    }
-  },
-  "mongodb": {
-    "url": "mongodb://mongo/obs",
-    "debug": false
-  },
-  "postgres": {
-    "url": "postgresql+asyncpg://user:pass@host/dbname"
-  },
-  "redisUrl": "redis://redis",
-  "oAuth2Clients": [
-    {
-      "clientId": "!!!<<<CHANGEME>>>!!!",
-      "validRedirectUris": ["https://portal.example.com/redirect"],
-      "refreshTokenExpirySeconds": 604800,
-      "maxScope": "*",
-      "title": "OBS Portal"
-    },
-    {
-      "clientId": "!!!<<<CHANGEME>>>!!!",
-      "validRedirectUris": ["__LOCAL__"],
-      "maxScope": "track.upload",
-      "refreshTokenExpirySeconds": 86400000,
-      "title": "OpenBikeSensor"
-    }
-  ],
-  "imprintUrl": "https://example.com/imprint",
-  "privacyPolicyUrl": "https://example.com/privacy"
-}

api/config.py.example

@@ -0,0 +1,45 @@
+# Bind address of the server
+HOST = "127.0.0.1"
+PORT = 3000
+
+# Extended log output, but slower
+DEBUG = False
+
+# Required to encrypt or sign sessions, cookies, tokens, etc.
+SECRET = "!!!<<<CHANGEME>>>!!!"
+
+# Connection to the database
+POSTGRES_URL = "postgresql+asyncpg://user:pass@host/dbname"
+
+# URL to the keycloak realm, as reachable by the API service. This is not
+# necessarily its publicly reachable URL, keycloak advertises that iself.
+KEYCLOAK_URL = "http://localhost:1234/auth/realms/obs/"
+
+# Auth client credentials
+KEYCLOAK_CLIENT_ID = "portal"
+KEYCLOAK_CLIENT_SECRET = "00000000-0000-0000-0000-000000000000"
+
+# The root of the frontend. Needed for redirecting after login, and for CORS.
+MAIN_FRONTEND_URL = "https://portal.example.com/"
+
+# Mail settings
+MAIL_ENABLED = False
+MAIL_FROM = "Sender Name <sender@example.com>"
+MAIL_SMTP_HOST = "mail.example.com"
+MAIL_SMTP_PORT = 465
+MAIL_STARTTLS = False
+MAIL_SMTP_USERNAME = "sender@example.com"
+
+# Urls to important documents, hosted elsewhere
+IMPRINT_URL = "https://example.com/imprint"
+PRIVACY_POLICY_URL = "https://example.com/privacy"
+
+# Path overrides:
+# API_ROOT_DIR = "??" # default: api/ inside repository
+# DATA_DIR = "??" # default: $API_ROOT_DIR/..
+# PROCESSING_DIR = "??" # default: DATA_DIR/processing
+# PROCESSING_OUTPUT_DIR = "??"  # default: DATA_DIR/processing-output
+# TRACKS_DIR = "??" # default: DATA_DIR/tracks
+# OBS_FACE_CACHE_DIR = "??" # default: DATA_DIR/obs-face-cache
+
+# vim: set ft=python :

api/obs/__init__.py

@@ -0,0 +1 @@
+__path__ = __import__("pkgutil").extend_path(__path__, __name__)

api/obs/api/__init__.py

@@ -0,0 +1 @@
+__version__ = "0.2.0"

api/obs/api/app.py

@@ -0,0 +1,118 @@
+import logging
+import os
+from json import JSONEncoder, dumps
+from functools import wraps, partial
+from urllib.parse import urlparse
+from os.path import dirname, join, normpath, abspath
+from datetime import datetime, date
+
+from sanic import Sanic
+from sanic.response import text, json as json_response
+from sanic.exceptions import Unauthorized
+from sanic_session import Session, InMemorySessionInterface
+from sanic_cors import CORS
+
+from sqlalchemy import select
+from sqlalchemy.ext.asyncio import AsyncSession, create_async_engine
+from sqlalchemy.orm import sessionmaker
+
+from obs.api.db import User, async_session
+
+from sanic_session.base import BaseSessionInterface
+from sanic_session.utils import ExpiringDict
+
+log = logging.getLogger(__name__)
+
+app = Sanic("OpenBikeSensor Portal API")
+app.update_config("./config.py")
+c = app.config
+
+# Configure paths
+c.API_ROOT_DIR = c.get("API_ROOT_DIR") or abspath(join(dirname(__file__), "..", ".."))
+c.DATA_DIR = c.get("DATA_DIR") or normpath(join(c.API_ROOT_DIR, "../data"))
+c.PROCESSING_DIR = c.get("PROCESSING_DIR") or join(c.DATA_DIR, "processing")
+c.PROCESSING_OUTPUT_DIR = c.get("PROCESSING_OUTPUT_DIR") or join(
+    c.DATA_DIR, "processing-output"
+)
+c.TRACKS_DIR = c.get("TRACKS_DIR") or join(c.DATA_DIR, "tracks")
+c.OBS_FACE_CACHE_DIR = c.get("OBS_FACE_CACHE_DIR") or join(c.DATA_DIR, "obs-face-cache")
+
+main_frontend_url = urlparse(c.MAIN_FRONTEND_URL)
+CORS(
+    app,
+    origins=[f"{main_frontend_url.scheme}://{main_frontend_url.netloc}"],
+    supports_credentials=True,
+)
+
+# TODO: use a different interface, maybe backed by the PostgreSQL, to allow
+# scaling the API
+Session(app, interface=InMemorySessionInterface())
+
+
+@app.before_server_start
+async def app_connect_db(app, loop):
+    app.ctx._db_engine = create_async_engine(c.POSTGRES_URL, echo=c.DEBUG)
+
+
+@app.after_server_stop
+async def app_disconnect_db(app, loop):
+    if app.ctx._db_engine:
+        await app.ctx._db_engine.dispose()
+
+
+@app.middleware("request")
+async def inject_session(req):
+    req.ctx.db = sessionmaker(
+        req.app.ctx._db_engine, class_=AsyncSession, expire_on_commit=False
+    )()
+    req.ctx._db_session_ctx_token = async_session.set(req.ctx.db)
+
+
+@app.middleware("response")
+async def close_session(req, response):
+    if hasattr(req.ctx, "_db_session_ctx_token"):
+        async_session.reset(req.ctx._db_session_ctx_token)
+        await req.ctx.db.close()
+
+
+@app.middleware("request")
+async def load_user(req):
+    user_id = req.ctx.session.get("user_id")
+    user = None
+    if user_id:
+        user = (
+            await req.ctx.db.execute(select(User).where(User.id == user_id))
+        ).scalar()
+
+    req.ctx.user = user
+
+
+@app.route("/")
+def index(req):
+    return text("Hello, %s!" % (req.ctx.user.username if req.ctx.user else "World"))
+
+
+def require_auth(fn):
+    @wraps(fn)
+    def wrapper(req, *args, **kwargs):
+        if not req.ctx.user:
+            raise Unauthorized("Login required")
+        return fn(req, *args, **kwargs)
+
+    return wrapper
+
+
+class CustomJsonEncoder(JSONEncoder):
+    def default(self, obj):
+        if isinstance(obj, (datetime, date)):
+            return obj.isoformat() + "+0000"  # explicit UTC for javascript <3
+
+        # Let the base class default method raise the TypeError
+        return super().default(obj)
+
+
+def json(*args, **kwargs):
+    return json_response(*args, **kwargs, dumps=partial(dumps, cls=CustomJsonEncoder))
+
+
+from . import routes

api/obs/api/config.py

@@ -0,0 +1,17 @@
+# Configure paths
+config.API_ROOT_DIR = config.get("API_ROOT_DIR") or abspath(
+    join(dirname(__file__), "..", "..")
+)
+config.DATA_DIR = config.get("DATA_DIR") or normpath(
+    join(config.API_ROOT_DIR, "../data")
+)
+config.PROCESSING_DIR = config.get("PROCESSING_DIR") or join(
+    config.DATA_DIR, "processing"
+)
+config.PROCESSING_OUTPUT_DIR = config.get("PROCESSING_OUTPUT_DIR") or join(
+    config.DATA_DIR, "processing-output"
+)
+config.TRACKS_DIR = config.get("TRACKS_DIR") or join(config.DATA_DIR, "tracks")
+config.OBS_FACE_CACHE_DIR = config.get("OBS_FACE_CACHE_DIR") or join(
+    config.DATA_DIR, "obs-face-cache"
+)

api/obs/api/db.py

@@ -0,0 +1,395 @@
+import hashlib
+from contextvars import ContextVar
+from contextlib import asynccontextmanager
+from datetime import datetime
+import os
+from os.path import join, dirname
+import re
+import math
+import aiofiles
+import random
+import string
+from slugify import slugify
+
+from sqlalchemy.ext.declarative import declarative_base
+from sqlalchemy.ext.asyncio import AsyncSession
+from sqlalchemy.ext.asyncio import create_async_engine
+from sqlalchemy.orm import sessionmaker, relationship
+from sqlalchemy.types import UserDefinedType, BIGINT, TEXT
+from sqlalchemy import (
+    Boolean,
+    Column,
+    DateTime,
+    Enum as SqlEnum,
+    Float,
+    ForeignKey,
+    Index,
+    Integer,
+    String,
+    false,
+    func,
+    select,
+    text,
+    literal,
+)
+from sqlalchemy.dialects.postgresql import HSTORE, UUID
+
+
+Base = declarative_base()
+
+
+engine = ContextVar("engine")
+async_session = ContextVar("async_session")
+
+
+@asynccontextmanager
+async def make_session():
+    async with async_session.get()() as session:
+        yield session
+
+
+async def init_models():
+    async with engine.get().begin() as conn:
+        await conn.run_sync(Base.metadata.drop_all)
+        await conn.execute(text('CREATE EXTENSION IF NOT EXISTS "hstore";'))
+        await conn.execute(text('CREATE EXTENSION IF NOT EXISTS "postgis";'))
+        await conn.execute(text('CREATE EXTENSION IF NOT EXISTS "uuid-ossp";'))
+        await conn.run_sync(Base.metadata.create_all)
+
+
+def random_string(length):
+    letters = string.ascii_lowercase + string.digits
+    return "".join(random.choice(letters) for i in range(length))
+
+
+@asynccontextmanager
+async def connect_db(url):
+    engine_ = create_async_engine(url, echo=False)
+    t1 = engine.set(engine_)
+
+    async_session_ = sessionmaker(engine_, class_=AsyncSession, expire_on_commit=False)
+    t2 = async_session.set(async_session_)
+
+    yield
+
+    # for AsyncEngine created in function scope, close and
+    # clean-up pooled connections
+    await engine_.dispose()
+    engine.reset(t1)
+    async_session.reset(t2)
+
+
+ZoneType = SqlEnum("rural", "urban", "motorway", name="zone_type")
+ProcessingStatus = SqlEnum(
+    "created", "queued", "processing", "complete", "error", name="processing_status"
+)
+
+
+class Geometry(UserDefinedType):
+    def get_col_spec(self):
+        return "GEOMETRY"
+
+    def bind_expression(self, bindvalue):
+        return func.ST_GeomFromGeoJSON(bindvalue, type_=self)
+
+    def column_expression(self, col):
+        return func.ST_AsGeoJSON(col, type_=self)
+
+
+class OvertakingEvent(Base):
+    __tablename__ = "overtaking_event"
+    __table_args__ = (Index("road_segment", "way_id", "direction_reversed"),)
+
+    id = Column(Integer, autoincrement=True, primary_key=True, index=True)
+    track_id = Column(Integer, ForeignKey("track.id", ondelete="CASCADE"))
+    hex_hash = Column(String, unique=True, index=True)
+    way_id = Column(BIGINT, index=True)
+
+    # whether we were traveling along the way in reverse direction
+    direction_reversed = Column(Boolean)
+
+    geometry = Column(Geometry)
+    latitude = Column(Float)
+    longitude = Column(Float)
+    time = Column(DateTime)
+    distance_overtaker = Column(Float)
+    distance_stationary = Column(Float)
+    course = Column(Float)
+    speed = Column(Float)
+
+    def __repr__(self):
+        return f"<OvertakingEvent {self.id}>"
+
+
+class Road(Base):
+    __tablename__ = "road"
+    way_id = Column(BIGINT, primary_key=True, index=True)
+    zone = Column(ZoneType)
+    name = Column(String)
+    geometry = Column(Geometry)
+    tags = Column(HSTORE)
+    directionality = Column(Integer)
+
+
+NOW = text("NOW()")
+
+
+class Track(Base):
+    __tablename__ = "track"
+    id = Column(Integer, primary_key=True, autoincrement=True)
+    slug = Column(String, unique=True, nullable=False, index=True)
+
+    created_at = Column(DateTime, nullable=False, server_default=NOW)
+    updated_at = Column(DateTime, nullable=False, server_default=NOW, onupdate=NOW)
+
+    title = Column(String)
+
+    processing_status = Column(ProcessingStatus, server_default=literal("created"))
+    processing_queued_at = Column(DateTime)
+    processed_at = Column(DateTime)
+
+    processing_log = Column(TEXT)
+
+    # Set to true if the user customized the title. Disables auto-generating
+    # an updated title when the track is (re-)processed.
+    customized_title = Column(Boolean, server_default=false(), nullable=False)
+
+    # A user-provided description of the track. May contain markdown.
+    description = Column(TEXT)
+
+    # Whether this track is visible (anonymized) in the public track list or not.
+    public = Column(Boolean, server_default=false())
+
+    # Whether this track should be exported to the public track database
+    # (after anonymization).
+    # include_in_public_database = Column(Boolean, server_default=false())
+
+    # The user agent string, or a part thereof, that was used to upload this
+    # track. Usually contains only the OBS version, other user agents are
+    # discarded due to being irrelevant.
+    uploaded_by_user_agent = Column(String)
+
+    # The name of the original file, as provided during upload. Used for
+    # providing a download with the same name, and for display in the
+    # frontend.
+    original_file_name = Column(String)
+
+    # A hash of the original file's contents. Nobody can upload the same track twice.
+    original_file_hash = Column(String, nullable=False)
+
+    author_id = Column(
+        Integer, ForeignKey("user.id", ondelete="CASCADE"), nullable=False
+    )
+
+    # Statistics... maybe we'll drop some of this if we can easily compute them from SQL
+    recorded_at = Column(DateTime)
+    recorded_until = Column(DateTime)
+    duration = Column(Float)
+    length = Column(Float)
+    segments = Column(Integer)
+    num_events = Column(Integer)
+    num_measurements = Column(Integer)
+    num_valid = Column(Integer)
+
+    def to_dict(self, for_user_id=None):
+        result = {
+            "id": self.id,
+            "slug": self.slug,
+            "title": self.title,
+            "description": self.description,
+            "createdAt": self.created_at,
+            "updatedAt": self.updated_at,
+            "public": self.public,
+            "processingStatus": self.processing_status,
+            "recordedAt": self.recorded_at,
+            "recordedUntil": self.recorded_until,
+            "duration": self.duration,
+            "length": self.length,
+            "numEvents": self.num_events,
+            "numValid": self.num_valid,
+            "numMeasurements": self.num_measurements,
+        }
+
+        if for_user_id is not None and for_user_id == self.author_id:
+            result["uploadedByUserAgent"] = self.uploaded_by_user_agent
+            result["originalFileName"] = self.original_file_name
+
+        if self.author:
+            result["author"] = self.author.to_dict(for_user_id=for_user_id)
+
+        return result
+
+    def is_visible_to_private(self, user):
+        return user is not None and user.id == self.author_id
+
+    def is_visible_to(self, user):
+        return self.is_visible_to_private(user) or self.public
+
+    def generate_slug(self, new_title_or_filename=None):
+        input_text = (
+            new_title_or_filename or self.title or self.original_file_name or "track"
+        )
+        self.slug = slugify(input_text, separator="_") + "-" + random_string(6)
+
+    async def prevent_duplicates(self, session, file_body):
+        hex_hash = hashlib.sha512(file_body).hexdigest()
+
+        duplicate_count = await session.scalar(
+            select(func.count())
+            .select_from(Track)
+            .where(
+                Track.original_file_hash == hex_hash
+                and Track.author_id == self.author_id
+                and Track.id != self.id
+            )
+        )
+
+        if duplicate_count:
+            raise ValueError("duplicate file")
+
+        self.original_file_hash = hex_hash
+
+    async def write_to_original_file(self, config, body):
+        mode = "wb" if isinstance(body, bytes) else "wt"
+
+        target = self.get_original_file_path(config)
+        os.makedirs(dirname(target), exist_ok=True)
+        async with aiofiles.open(target, mode=mode) as f:
+            await f.write(body)
+
+    def queue_processing(self):
+        self.processing_status = "queued"
+        self.processing_queued_at = datetime.utcnow()
+
+    def auto_generate_title(self):
+        if self.customized_title:
+            return
+
+        # Try to figure out when this file was recorded. Either we have it in then
+        # statistics, e.g. after parsing and processing the track, or we can maybe
+        # derive it from the filename.
+        recorded_at = self.recorded_at
+
+        if not recorded_at and self.original_file_name:
+            match = re.match(
+                r"^[0-9]{4}-[0-9]{2}-[0-9]{2}T[0-9]{2}\.[0-9]{2}\.[0-9]{2}",
+                self.original_file_name,
+            )
+            if match:
+                try:
+                    recorded_at = datetime.fromisoformat(match[0])
+                except ValueError:
+                    pass
+
+        if recorded_at:
+            daytime = _get_daytime(recorded_at)
+            self.title = f"{daytime} ride on {recorded_at.strftime('%a, %x')}"
+            return
+
+        # Detecting recording date failed, use filename
+        if self.original_file_name:
+            words = self.original_file_name
+            words = re.sub(r"(\.obsdata)?\.csv$", "", words)
+            words = re.split(r"\W+", words)
+            words[0] = words[0][0].upper() + words[0][1:]
+            self.title = " ".join(words)
+
+    @property
+    def file_path(self):
+        return join(self.author.username, self.slug)
+
+    def get_original_file_path(self, config):
+        return join(config.TRACKS_DIR, self.file_path, "original.csv")
+
+
+class User(Base):
+    __tablename__ = "user"
+    id = Column(Integer, autoincrement=True, primary_key=True)
+    created_at = Column(DateTime, nullable=False, server_default=NOW)
+    updated_at = Column(DateTime, nullable=False, server_default=NOW, onupdate=NOW)
+    sub = Column(String, unique=True, nullable=False)
+    username = Column(String, unique=True, nullable=False)
+    email = Column(String, nullable=False)
+    bio = Column(TEXT)
+    image = Column(String)
+    are_tracks_visible_for_all = Column(Boolean, server_default=false(), nullable=False)
+    api_key = Column(String)
+
+    # This user can be matched by the email address from the auth service
+    # instead of having to match by `sub`. If a matching user logs in, the
+    # `sub` is updated to the new sub and this flag is disabled. This is for
+    # migrating *to* the external authentication scheme.
+    match_by_username_email = Column(Boolean, server_default=false())
+
+    def to_dict(self, for_user_id=None):
+        return {
+            "username": self.username,
+            "bio": self.bio,
+            "image": self.image,
+        }
+
+
+class Comment(Base):
+    __tablename__ = "comment"
+    id = Column(Integer, autoincrement=True, primary_key=True)
+    uid = Column(UUID, server_default=func.uuid_generate_v4())
+
+    created_at = Column(DateTime, nullable=False, server_default=NOW)
+    updated_at = Column(DateTime, nullable=False, server_default=NOW, onupdate=NOW)
+
+    body = Column(TEXT)
+
+    author_id = Column(Integer, ForeignKey("user.id", ondelete="CASCADE"))
+
+    track_id = Column(Integer, ForeignKey("track.id", ondelete="CASCADE"))
+
+    def to_dict(self, for_user_id=None):
+        return {
+            "id": self.uid,
+            "body": self.body,
+            "author": self.author.to_dict(for_user_id=for_user_id),
+            "createdAt": self.created_at,
+        }
+
+
+Comment.author = relationship("User", back_populates="authored_comments")
+User.authored_comments = relationship(
+    "Comment", order_by=Comment.created_at, back_populates="author"
+)
+
+Track.author = relationship("User", back_populates="authored_tracks")
+User.authored_tracks = relationship(
+    "Track", order_by=Track.created_at, back_populates="author"
+)
+
+Comment.track = relationship("Track", back_populates="comments")
+Track.comments = relationship(
+    "Comment", order_by=Comment.created_at, back_populates="track"
+)
+
+OvertakingEvent.track = relationship("Track", back_populates="overtaking_events")
+Track.overtaking_events = relationship(
+    "OvertakingEvent", order_by=OvertakingEvent.time, back_populates="track"
+)
+
+
+# 0..4 Night, 4..10 Morning, 10..14 Noon, 14..18 Afternoon, 18..22 Evening, 22..00 Night
+# Two hour intervals
+_DAYTIMES = [
+    "Night",  # 0h - 2h
+    "Night",  # 2h - 4h
+    "Morning",  # 4h - 6h
+    "Morning",  # 6h - 8h
+    "Morning",  # 8h - 10h
+    "Noon",  # 10h - 12h
+    "Noon",  # 12h - 14h
+    "Afternoon",  # 14h - 16h
+    "Afternoon",  # 16h - 18h
+    "Evening",  # 18h - 20h
+    "Evening",  # 20h - 22h
+    "Night",  # 22h - 24h
+]
+
+
+def _get_daytime(d):
+    return _DAYTIMES[math.floor((d.hour % 24) / 2)]

api/obs/api/routes/__init__.py

@@ -0,0 +1,7 @@
+from . import (
+    login,
+    stats,
+    tracks,
+    info,
+    users,
+)

api/obs/api/routes/info.py

@@ -0,0 +1,20 @@
+import logging
+
+# from sqlalchemy import select
+
+from obs.api.app import app
+
+from sanic.response import json
+
+log = logging.getLogger(__name__)
+
+from obs.api import __version__ as version
+
+
+@app.route("/info")
+async def info(req):
+    return json(
+        {
+            "version": version,
+        }
+    )

api/obs/api/routes/login.py

@@ -0,0 +1,118 @@
+import logging
+import os
+
+from sqlalchemy import select
+
+from oic import rndstr
+from oic.oic import Client
+from oic.oic.message import AuthorizationResponse, RegistrationResponse
+from oic.utils.authn.client import CLIENT_AUTHN_METHOD
+
+from obs.api.app import app
+from obs.api.db import User
+
+from sanic.response import json, redirect
+from sanicargs import parse_parameters
+
+log = logging.getLogger(__name__)
+
+client = Client(client_authn_method=CLIENT_AUTHN_METHOD)
+
+
+@app.before_server_start
+async def connect_auth_client(app, loop):
+    client.allow["issuer_mismatch"] = True
+    pc = client.provider_config(app.config.KEYCLOAK_URL)
+    client.store_registration_info(
+        RegistrationResponse(
+            client_id=app.config.KEYCLOAK_CLIENT_ID,
+            client_secret=app.config.KEYCLOAK_CLIENT_SECRET,
+        )
+    )
+
+
+@app.route("/login")
+@parse_parameters
+async def login(req, next: str = None):
+    session = req.ctx.session
+    session["state"] = rndstr()
+    session["nonce"] = rndstr()
+    session["next"] = next
+    args = {
+        "client_id": client.client_id,
+        "response_type": "code",
+        "scope": ["openid"],
+        "nonce": session["nonce"],
+        "redirect_uri": req.scheme + "://" + req.host + "/login/redirect",
+        "state": session["state"],
+    }
+
+    auth_req = client.construct_AuthorizationRequest(request_args=args)
+    login_url = auth_req.request(client.authorization_endpoint)
+
+    return redirect(login_url)
+
+
+@app.route("/login/redirect")
+async def login_redirect(req):
+    session = req.ctx.session
+
+    auth_response = client.parse_response(
+        AuthorizationResponse, info=dict(req.query_args), sformat="dict"
+    )
+    code = auth_response["code"]
+    state = auth_response["state"]
+
+    assert "state" in session
+    assert state == session["state"]
+
+    client.do_access_token_request(
+        state=state,
+        request_args={"code": code},
+        authn_method="client_secret_basic",
+    )
+
+    userinfo = client.do_user_info_request(state=state)
+
+    # {'sub': '3798e2da-b208-4a1a-98c0-08fecfea1345', 'email_verified': True, 'preferred_username': 'test', 'email': 'test@example.com'}
+    sub = userinfo["sub"]
+    preferred_username = userinfo["preferred_username"]
+    email = userinfo["email"]
+
+    user = (await req.ctx.db.execute(select(User).where(User.sub == sub))).scalar()
+
+    if user is None:
+        user = (
+            await req.ctx.db.execute(
+                select(User).where(User.email == email and User.username = preferred_username and User.match_by_username_email)
+            )
+        ).scalar()
+
+        if user:
+            user.match_by_username_email = False
+
+    if user is None:
+        log.info(
+            "Registering new user with sub %r (preferred username: %s)",
+            sub,
+            preferred_username,
+        )
+        user = User(sub=sub, username=preferred_username, email=email)
+        req.ctx.db.add(user)
+    else:
+        log.info("Logged in known user (id: %s).", user.id)
+
+        if email != user.email:
+            log.debug("Updating user (id: %s) email from auth system.", user.id)
+            user.email = email
+
+        if preferred_username != user.username:
+            log.debug("Updating user (id: %s) username from auth system.", user.id)
+            user.username = preferred_username
+
+    await req.ctx.db.commit()
+
+    session["user_id"] = user.id
+
+    next_ = session.pop("next", "/") or "/"
+    return redirect(next_)

api/obs/api/routes/stats.py

@@ -0,0 +1,171 @@
+import logging
+from datetime import datetime
+from typing import Optional
+from operator import and_
+from functools import reduce
+
+from sqlalchemy import select, func
+
+from sanic.response import json
+from sanicargs import parse_parameters
+
+from obs.api.app import app
+from obs.api.db import Track, OvertakingEvent, User
+
+
+log = logging.getLogger(__name__)
+
+
+# round to this number of meters for privacy reasons
+TRACK_LENGTH_ROUNDING = 1000
+
+# round to this number of seconds for privacy reasons
+TRACK_DURATION_ROUNDING = 120
+
+# Everything before this date is probably parsed incorrectly
+MINUMUM_RECORDING_DATE = datetime(2010, 1, 1)
+
+
+def round_to(value: float, multiples: float) -> float:
+    return round(value / multiples) * multiples
+
+
+@app.route("/stats")
+@parse_parameters
+async def stats(req, user: str = None, start: datetime = None, end: datetime = None):
+    conditions = [
+        Track.recorded_at != None,
+        Track.recorded_at > MINUMUM_RECORDING_DATE,
+    ]
+
+    if start is not None:
+        conditions.append(Track.recorded_at >= start)
+
+    if end is not None:
+        conditions.append(Track.recorded_at < end)
+
+    # Only the user can look for their own stats, for now
+    by_user = (
+        user is not None and req.ctx.user is not None and req.ctx.user.username == user
+    )
+    if by_user:
+        conditions.append(Track.author_id == req.ctx.user.id)
+
+    print(conditions)
+    track_condition = reduce(and_, conditions)
+    public_track_condition = Track.public and track_condition
+
+    query = (
+        select(
+            [
+                func.count().label("publicTrackCount"),
+                func.sum(Track.duration).label("trackDuration"),
+                func.sum(Track.length).label("trackLength"),
+            ]
+        )
+        .select_from(Track)
+        .where(public_track_condition)
+    )
+
+    public_track_count, track_duration, track_length = (
+        await req.ctx.db.execute(query)
+    ).first()
+
+    # This is required because SQL returns NULL when the input set to a
+    # SUM() aggregation is empty.
+    track_duration = track_duration or 0
+    track_length = track_length or 0
+
+    user_count = (
+        1
+        if by_user
+        else (await req.ctx.db.execute(select(func.count()).select_from(User))).scalar()
+    )
+    track_count = (
+        await req.ctx.db.execute(
+            select(func.count()).select_from(Track).where(track_condition)
+        )
+    ).scalar()
+    event_count = (
+        await req.ctx.db.execute(
+            select(func.count())
+            .select_from(OvertakingEvent)
+            .join(OvertakingEvent.track)
+            .where(track_condition)
+        )
+    ).scalar()
+
+    result = {
+        "numEvents": event_count,
+        "userCount": user_count,
+        "trackLength": round_to(track_length or 0, TRACK_LENGTH_ROUNDING),
+        "trackDuration": round_to(track_duration or 0, TRACK_DURATION_ROUNDING),
+        "publicTrackCount": public_track_count,
+        "trackCount": track_count,
+    }
+
+    return json(result)
+
+
+#     const trackCount = await Track.find(trackFilter).count();
+#
+#     const publicTrackCount = await Track.find({
+#       ...trackFilter,
+#       public: true,
+#     }).count();
+#
+#     const userCount = await User.find({
+#       ...(userFilter
+#         ? { _id: userFilter }
+#         : {
+#             createdAt: dateFilter,
+#           }),
+#     }).count();
+#
+#     const trackStats = await Track.aggregate([
+#       { $match: trackFilter },
+#       {
+#         $addFields: {
+#           trackLength: {
+#             $cond: [{ $lt: ['$statistics.length', 500000] }, '$statistics.length', 0],
+#           },
+#           numEvents: '$statistics.numEvents',
+#           trackDuration: {
+#             $cond: [
+#               { $and: ['$statistics.recordedUntil', { $gt: ['$statistics.recordedAt', new Date('2010-01-01')] }] },
+#               { $subtract: ['$statistics.recordedUntil', '$statistics.recordedAt'] },
+#               0,
+#             ],
+#           },
+#         },
+#       },
+#       { $project: { trackLength: true, numEvents: true, trackDuration: true } },
+#       {
+#         $group: {
+#           _id: 'sum',
+#           trackLength: { $sum: '$trackLength' },
+#           numEvents: { $sum: '$numEvents' },
+#           trackDuration: { $sum: '$trackDuration' },
+#         },
+#       },
+#     ]);
+#
+#     const [trackLength, numEvents, trackDuration] =
+#       trackStats.length > 0
+#         ? [trackStats[0].trackLength, trackStats[0].numEvents, trackStats[0].trackDuration]
+#         : [0, 0, 0];
+#
+#     const trackLengthPrivatized = Math.floor(trackLength / TRACK_LENGTH_ROUNDING) * TRACK_LENGTH_ROUNDING;
+#     const trackDurationPrivatized =
+#       Math.round(trackDuration / 1000 / TRACK_DURATION_ROUNDING) * TRACK_DURATION_ROUNDING;
+#
+#     return res.json({
+#       publicTrackCount,
+#       trackLength: trackLengthPrivatized,
+#       trackDuration: trackDurationPrivatized,
+#       numEvents,
+#       trackCount,
+#       userCount,
+#     });
+#   }),
+# );

api/obs/api/routes/tracks.py

@@ -0,0 +1,362 @@
+import logging
+import re
+from json import load as jsonload
+from os.path import join, exists, isfile
+
+from sqlalchemy import select, func
+from sqlalchemy.orm import joinedload
+
+from obs.api.db import Track, User, Comment
+from obs.api.app import app, require_auth, json
+
+from sanic.response import file_stream, empty
+from sanic.exceptions import InvalidUsage, NotFound, Forbidden
+from sanicargs import parse_parameters
+
+log = logging.getLogger(__name__)
+
+
+def normalize_user_agent(user_agent):
+    if not user_agent:
+        return None
+
+    m = re.match(r"\bOBS\/[^\s]+", user_agent)
+    return m[0] if m else None
+
+
+async def _return_tracks(req, extend_query, limit, offset):
+    if limit <= 0 or limit > 100:
+        raise InvalidUsage("invalid limit")
+
+    if offset < 0:
+        raise InvalidUsage("offset must be positive")
+
+    count_query = extend_query(
+        select(func.count()).select_from(Track).join(Track.author)
+    )
+    track_count = await req.ctx.db.scalar(count_query)
+
+    query = (
+        extend_query(select(Track).options(joinedload(Track.author)))
+        .limit(limit)
+        .offset(offset)
+        .order_by(Track.created_at.desc())
+    )
+
+    tracks = (await req.ctx.db.execute(query)).scalars()
+
+    return json(
+        {
+            "trackCount": track_count,
+            "tracks": list(
+                map(
+                    lambda t: t.to_dict(
+                        for_user_id=req.ctx.user.id if req.ctx.user else None
+                    ),
+                    tracks,
+                )
+            ),
+        },
+    )
+
+
+@app.get("/tracks")
+@parse_parameters
+async def get_tracks(req, limit: int = 20, offset: int = 0, author: str = None):
+    def extend_query(q):
+        q = q.where(Track.public)
+
+        if author is not None:
+            q = q.where(User.username == author)
+
+        return q
+
+    return await _return_tracks(req, extend_query, limit, offset)
+
+
+@app.get("/tracks/feed")
+@require_auth
+@parse_parameters
+async def get_feed(req, limit: int = 20, offset: int = 0):
+    def extend_query(q):
+        return q.where(Track.author_id == req.ctx.user.id)
+
+    return await _return_tracks(req, extend_query, limit, offset)
+
+
+@app.post("/tracks")
+@require_auth
+async def post_track(req):
+    try:
+        file = req.files["body"][0]
+    except LookupError as e:
+        raise InvalidUsage(
+            'Track upload needs a single file in "body" multipart field'
+        ) from e
+
+    try:
+        body = req.json["track"]
+    except (LookupError, InvalidUsage):
+        body = {}
+
+    title = body.get("title")
+    public = body.get("public")
+
+    track = Track(
+        title=title,
+        customized_title=bool(title),
+        author=req.ctx.user,
+        public=public
+        if public is not None
+        else req.ctx.user.are_tracks_visible_for_all,
+    )
+    track.generate_slug()
+    await track.prevent_duplicates(req.ctx.db, file.body)
+    track.uploaded_by_user_agent = normalize_user_agent(req.headers["user-agent"])
+    track.original_file_name = file.name
+    await track.write_to_original_file(req.app.config, file.body)
+    track.queue_processing()
+    track.auto_generate_title()
+
+    req.ctx.db.add(track)
+    await req.ctx.db.commit()
+
+    return await get_track(req, track.slug)
+
+
+async def _load_track(req, slug, raise_not_found=True):
+    track = (
+        await req.ctx.db.execute(
+            select(Track)
+            .where(Track.slug == slug)
+            .options(joinedload(Track.author))
+            .limit(1)
+        )
+    ).scalar()
+
+    if raise_not_found and track is None:
+        raise NotFound()
+
+    if not track.is_visible_to(req.ctx.user):
+        raise Forbidden()
+
+    return track
+
+
+@app.get("/tracks/<slug:str>")
+async def get_track(req, slug: str):
+    track = await _load_track(req, slug)
+    return json(
+        {"track": track.to_dict(for_user_id=req.ctx.user.id if req.ctx.user else None)},
+    )
+
+
+@app.delete("/tracks/<slug:str>")
+@require_auth
+async def delete_track(req, slug: str):
+    track = await _load_track(req, slug)
+    if not track.is_visible_to_private(req.ctx.user):
+        raise Forbidden()
+
+    await req.ctx.db.delete(track)
+    await req.ctx.db.commit()
+
+    return empty()
+
+
+@app.get("/tracks/<slug:str>/data")
+async def get_track_data(req, slug: str):
+    track = await _load_track(req, slug)
+
+    FILE_BY_KEY = {
+        "measurements": "measurements.json",
+        "overtakingEvents": "overtakingEvents.json",
+        "track": "track.json",
+    }
+
+    result = {}
+
+    for key, filename in FILE_BY_KEY.items():
+        file_path = join(
+            req.app.config.PROCESSING_OUTPUT_DIR, track.file_path, filename
+        )
+        if not exists(file_path) or not isfile(file_path):
+            continue
+
+        with open(file_path) as f:
+            result[key] = jsonload(f)
+
+    return json(
+        result,
+    )
+
+
+@app.get("/tracks/<slug:str>/download/original.csv")
+async def download_original_file(req, slug: str):
+    track = await _load_track(req, slug)
+
+    if not track.is_visible_to_private(req.ctx.user):
+        raise Forbidden()
+
+    return await file_stream(track.get_original_file_path(app.config))
+
+
+@app.put("/tracks/<slug:str>")
+@require_auth
+async def put_track(req, slug: str):
+    track = await _load_track(req, slug)
+
+    if track.author_id != req.ctx.user.id:
+        raise Forbidden()
+
+    try:
+        body = req.json["track"]
+    except:
+        body = {}
+
+    if "title" in body:
+        track.title = (body["title"] or "").strip() or None
+        track.customized_title = track.title is not None
+
+    if "description" in body:
+        track.description = (body["description"] or "").strip() or None
+
+    process = False
+
+    if "public" in body:
+        public = bool(body["public"])
+        process = process or (public != track.public)  # if changed
+        track.public = public
+
+    if "body" in req.files:
+        try:
+            file = req.files["body"][0]
+        except LookupError as e:
+            raise InvalidUsage(
+                'Track upload needs a single file in "body" multipart field'
+            ) from e
+
+        await track.prevent_duplicates(req.ctx.db, file.body)
+        track.uploaded_by_user_agent = normalize_user_agent(req.headers["user-agent"])
+        track.original_file_name = file.name or (track.slug + ".csv")
+        await track.write_to_original_file(req.app.config, file.body)
+        process = True
+
+    if process:
+        track.queue_processing()
+
+    track.auto_generate_title()
+    await req.ctx.db.commit()
+
+    track = await _load_track(req, track.slug)
+    return json(
+        {"track": track.to_dict(for_user_id=req.ctx.user.id)},
+    )
+
+
+@app.get("/tracks/<slug:str>/comments")
+@parse_parameters
+async def get_track_comments(req, slug: str, limit: int = 20, offset: int = 0):
+    track = await _load_track(req, slug)
+
+    comment_count = await req.ctx.db.scalar(
+        select(func.count()).select_from(Comment).where(Comment.track_id == track.id)
+    )
+
+    query = (
+        select(Comment)
+        .options(joinedload(Comment.author))
+        .where(Comment.track_id == track.id)
+        .order_by(Comment.created_at.desc())
+        .limit(limit)
+        .offset(offset)
+    )
+
+    comments = (await req.ctx.db.execute(query)).scalars()
+
+    return json(
+        {
+            "commentCount": comment_count,
+            "comments": list(
+                map(
+                    lambda c: c.to_dict(
+                        for_user_id=req.ctx.user.id if req.ctx.user else None
+                    ),
+                    comments,
+                )
+            ),
+        },
+    )
+
+
+@app.post("/tracks/<slug:str>/comments")
+@require_auth
+async def post_track_comment(req, slug: str):
+    track = await _load_track(req, slug)
+
+    body = req.json.get("comment", {}).get("body")
+    if not isinstance(body, str):
+        raise InvalidUsage("no comment given")
+
+    # Ensure body is not empty
+    body = body.strip()
+    if not body:
+        raise InvalidUsage("empty comment")
+
+    comment = Comment(
+        body=body,
+        track_id=track.id,
+        author_id=req.ctx.user.id,
+    )
+
+    req.ctx.db.add(comment)
+    await req.ctx.db.commit()
+
+    await req.ctx.db.refresh(comment)
+
+    comment = (
+        await req.ctx.db.execute(
+            select(Comment)
+            .options(joinedload(Comment.author))
+            .where(Comment.id == comment.id)
+            .limit(1)
+        )
+    ).scalar()
+
+    return json({"comment": comment.to_dict(for_user_id=req.ctx.user.id)})
+
+
+@app.delete("/tracks/<slug:str>/comments/<uid:str>")
+@require_auth
+async def delete_track_comment(req, slug: str, uid: str):
+    print("XXXXXXXXXXXXXX")
+    print("XXXXXXXXXXXXXX")
+    print("XXXXXXXXXXXXXX")
+    print("XXXXXXXXXXXXXX")
+    print("XXXXXXXXXXXXXX")
+    print("XXXXXXXXXXXXXX")
+    print("XXXXXXXXXXXXXX")
+    print("XXXXXXXXXXXXXX")
+    print("XXXXXXXXXXXXXX")
+    track = await _load_track(req, slug)
+
+    print("trackid", track.id, "  uid", uid)
+    comment = (
+        await req.ctx.db.execute(
+            select(Comment)
+            .options(joinedload(Comment.author))
+            .where(Comment.track_id == track.id and Comment.uid == uid)
+            .limit(1)
+        )
+    ).scalar()
+
+    if not comment:
+        raise NotFound()
+
+    if comment.author_id != req.ctx.user.id:
+        raise Forbidden()
+
+    await req.ctx.db.delete(comment)
+    await req.ctx.db.commit()
+
+    return empty()

api/obs/api/routes/users.py

@@ -0,0 +1,42 @@
+import logging
+
+from sanic.response import json
+
+from obs.api.app import app, require_auth
+
+log = logging.getLogger(__name__)
+
+from obs.api import __version__ as version
+
+
+def user_to_json(user):
+    return {
+        "username": user.username,
+        "email": user.email,
+        "bio": user.bio,
+        "image": user.image,
+        "areTracksVisibleForAll": user.are_tracks_visible_for_all,
+        # "apiKey": user.api_key,
+    }
+
+
+@app.get("/user")
+@require_auth
+async def get_user(req):
+    return json(user_to_json(req.ctx.user))
+
+
+@app.put("/user")
+@require_auth
+async def put_user(req):
+    user = req.ctx.user
+
+    for key in ["username", "email", "bio", "image"]:
+        if key in req.json and isinstance(req.json[key], (str, type(None))):
+            setattr(user, key, req.json[key])
+
+    if "areTracksVisibleForAll" in req.json:
+        user.are_tracks_visible_for_all = bool(req.json["areTracksVisibleForAll"])
+
+    await req.ctx.db.commit()
+    return json(user_to_json(req.ctx.user))

api/obs/bin/__init__.py

@@ -0,0 +1 @@
+__path__ = __import__("pkgutil").extend_path(__path__, __name__)

api/obs/bin/obs_api.py

@@ -0,0 +1,17 @@
+#!/usr/bin/env python3
+
+import sys
+import os
+import argparse
+import asyncio
+
+from obs.api.app import app
+from obs.api.db import connect_db
+
+
+def main():
+    app.run(host=app.config.HOST, port=app.config.PORT, debug=app.config.DEBUG)
+
+
+if __name__ == "__main__":
+    main()

api/postgres-schema.sql

@@ -1,16 +0,0 @@
-CREATE TYPE zone_type IF NOT EXISTS AS ENUM ('urban', 'rural');
-
-CREATE TABLE road_annotations IF NOT EXISTS (
-  way_id integer,
-  reverse boolean,
-  name text,
-  zone zone_type,
-  distance_overtaker_mean float,
-  distance_overtaker_median float,
-  distance_overtaker_minimum float,
-  distance_overtaker_n integer,
-  distance_overtaker_n_below_limit integer,
-  distance_overtaker_n_above_limit integer,
-  distance_overtaker_limit float,
-  distance_overtaker_measurements integer ARRAY,
-);

api/requirements.txt

@@ -1,3 +1,7 @@
-./scripts
-sqlalchemy[asyncio]
-asyncpg
+sanic~=21.9.1
+oic~=1.3.0
+sanic-session~=0.8.0
+sanicargs~=2.1.0
+sanic-cors~=1.0.1
+python-slugify~=5.0.2
+motor~=2.5.1

api/scripts

@@ -1 +1 @@
-Subproject commit e67a2a98f7d8d53c687bc44d72774b5429b049c3
+Subproject commit 145b06a80d4607ff2c4a8dcf80e2f5fb0e1c8f1a

api/setup.py

@@ -0,0 +1,21 @@
+from setuptools import setup, find_packages
+
+with open("requirements.txt") as f:
+    requires = list(f.readlines())
+
+setup(
+    name="obs-api",
+    version="0.0.1",
+    author="OpenBikeSensor Contributors",
+    license="LGPL-3.0",
+    description="OpenBikeSensor Portal API",
+    url="https://github.com/openbikesensor/portal",
+    packages=find_packages(),
+    package_data={},
+    install_requires=requires,
+    entry_points={
+        "console_scripts": [
+            "obs-api=obs.bin.obs_api:main",
+        ]
+    },
+)

api/tools/import_from_mongodb.py

@@ -0,0 +1,132 @@
+#!/usr/bin/env python3
+import argparse
+import asyncio
+import logging
+from datetime import datetime
+from uuid import uuid4
+
+from sqlalchemy import select
+
+from motor.motor_asyncio import AsyncIOMotorClient
+
+from obs.api.db import make_session, connect_db, User, Track, async_session, Comment
+from obs.api.app import app
+
+log = logging.getLogger(__name__)
+
+
+async def main():
+    logging.basicConfig(level=logging.DEBUG, format="%(levelname)s: %(message)s")
+
+    parser = argparse.ArgumentParser(
+        description="processes a single track for use in the portal, "
+        "using the obs.face algorithms"
+    )
+
+    parser.add_argument(
+        "mongodb_url",
+        metavar="MONGODB_URL",
+        help="url to the mongodb, in format mongodb://user:pass@host/dbname",
+    )
+
+    args = parser.parse_args()
+
+    async with connect_db(app.config.POSTGRES_URL):
+        async with make_session() as session:
+            mongo = AsyncIOMotorClient(args.mongodb_url).get_default_database()
+
+            log.debug("Connected to mongodb and postgres.")
+            user_id_map = await import_users(mongo, session)
+
+            await import_tracks(mongo, session, user_id_map)
+
+            await session.commit()
+
+
+async def import_users(mongo, session):
+    old_id_by_email = {}
+    async for user in mongo.users.find({}):
+        old_id_by_email[user["email"]] = user["_id"]
+
+        new_user = User(
+            sub=str(uuid4()),
+            match_by_username_email=True,
+            email=user["email"],
+            username=user["username"],
+            bio=user.get("bio"),
+            image=user.get("image"),
+            are_tracks_visible_for_all=user.get("areTracksVisibleForAll") or False,
+            api_key=str(user["_id"]),
+            created_at=user.get("createdAt") or datetime.utcnow(),
+            updated_at=user.get("updatedAt") or datetime.utcnow(),
+        )
+
+        session.add(new_user)
+        log.info("Creating user %s", new_user.username)
+
+    await session.commit()
+
+    id_map = {}
+    result = await session.scalars(select(User))
+    for user in result:
+        id_map[old_id_by_email[user.email]] = user.id
+
+    return id_map
+
+
+def parse_datetime(s):
+    if isinstance(s, str):
+        return datetime.fromisoformat(s)
+    return s
+
+
+async def import_tracks(mongo, session, user_id_map):
+    async for track in mongo.tracks.find({}):
+        stats = track.get("statistics") or {}
+        new_track = Track(
+            created_at=parse_datetime(track.get("createdAt")) or datetime.utcnow(),
+            updated_at=parse_datetime(track.get("updatedAt")) or datetime.utcnow(),
+            slug=track["slug"],
+            title=track.get("title"),
+            processing_status=track.get("processingStatus") or "pending",
+            processing_log=track.get("processingLog"),
+            customized_title=bool(track.get("customizedTitle")),
+            description=track.get("description"),
+            public=track.get("public"),
+            uploaded_by_user_agent=track.get("uploadedByUserAgent"),
+            original_file_name=track.get("originalFileName"),
+            original_file_hash=track.get("originalFileHash"),
+            # statistics
+            recorded_at=parse_datetime(stats.get("recordedAt")),
+            recorded_until=parse_datetime(stats.get("recordedUntil")),
+            duration=stats.get("duration"),
+            length=stats.get("length"),
+            segments=stats.get("segments"),
+            num_events=stats.get("num_events"),
+            num_measurements=stats.get("num_measurements"),
+            num_valid=stats.get("numValid"),
+            author_id=user_id_map[track["author"]],
+        )
+
+        session.add(new_track)
+        log.info("Creating track %s", new_track.slug)
+
+        comment_ids = track.get("comments") or []
+        if comment_ids:
+            async for comment in mongo.comments.find({"_id": {"$in": comment_ids}}):
+                new_comment = Comment(
+                    created_at=parse_datetime(comment.get("createdAt"))
+                    or datetime.utcnow(),
+                    updated_at=parse_datetime(comment.get("updatedAt"))
+                    or datetime.utcnow(),
+                    body=comment.get("body"),
+                    author_id=user_id_map[comment["author"]],
+                )
+                new_track.comments.append(new_comment)
+                session.add(new_comment)
+
+    await session.commit()
+
+
+if __name__ == "__main__":
+    asyncio.run(main())

api/tools/process_track.py

@@ -2,13 +2,18 @@
 import argparse
 import logging
 import os
-import tempfile
+import sys
 import json
 import shutil
 import asyncio
 import hashlib
 import struct
 import pytz
+from os.path import join, dirname, abspath
+from datetime import datetime
+
+from sqlalchemy import delete, select
+from sqlalchemy.orm import joinedload
 
 from obs.face.importer import ImportMeasurementsCsv
 from obs.face.geojson import ExportMeasurements
@@ -24,9 +29,9 @@ from obs.face.filter import (
     RequiredFieldsFilter,
 )
 from obs.face.osm import DataSource, DatabaseTileSource, OverpassTileSource
-from sqlalchemy import delete
 
-from obs.face.db import make_session, connect_db, OvertakingEvent, async_session
+from obs.api.db import make_session, connect_db, OvertakingEvent, async_session, Track
+from obs.api.app import app
 
 log = logging.getLogger(__name__)
 
@@ -40,178 +45,207 @@ async def main():
     )
 
     parser.add_argument(
-        "-i", "--input", required=True, action="store", help="path to input CSV file"
-    )
-    parser.add_argument(
-        "-o", "--output", required=True, action="store", help="path to output directory"
-    )
-    parser.add_argument(
-        "--path-cache",
+        "--loop-delay",
         action="store",
-        default=None,
-        dest="cache_dir",
-        help="path where the visualization data will be stored",
-    )
-    parser.add_argument(
-        "--settings",
-        dest="settings_file",
-        required=True,
-        default=None,
-        help="path to track settings file",
+        type=int,
+        default=10,
+        help="delay between loops, if no track was found in the queue (polling)",
     )
 
-    # https://www.postgresql.org/docs/current/libpq-connect.html#LIBPQ-CONNSTRING
-    postgres_url_default = os.environ.get("POSTGRES_URL")
     parser.add_argument(
-        "--postgres-url",
-        required=not postgres_url_default,
-        action="store",
-        help="connection string for postgres database",
-        default=postgres_url_default,
+        "tracks",
+        metavar="ID_OR_SLUG",
+        nargs="*",
+        help="ID or slug of tracks to process, if not passed, the queue is processed in a loop",
     )
 
     args = parser.parse_args()
 
-    async with connect_db(args.postgres_url):
-        if args.cache_dir is None:
-            with tempfile.TemporaryDirectory() as cache_dir:
-                args.cache_dir = cache_dir
-                await process(args)
+    async with connect_db(app.config.POSTGRES_URL):
+        async with make_session() as session:
+            log.info("Loading OpenStreetMap data")
+            tile_source = DatabaseTileSource(async_session.get())
+            # tile_source = OverpassTileSource(app.config.OBS_FACE_CACHE_DIR)
+            data_source = DataSource(tile_source)
+
+            if args.tracks:
+                await process_tracks(session, data_source, args.tracks)
+            else:
+                await process_tracks_loop(session, data_source, args.loop_delay)
+
+
+async def process_tracks_loop(session, data_source, delay):
+    while True:
+        track = (
+            await session.execute(
+                select(Track)
+                .where(Track.processing_status == "queued")
+                .order_by(Track.processing_queued_at)
+                .options(joinedload(Track.author))
+            )
+        ).scalar()
+
+        if track is None:
+            await asyncio.sleep(delay)
         else:
-            await process(args)
+            try:
+                await process_track(session, track, data_source)
+            except:
+                log.exception("Failed to process track %s. Will continue.", track.slug)
 
 
-async def process(args):
-    log.info("Loading OpenStreetMap data")
-    tile_source = DatabaseTileSource(async_session.get())
-    # tile_source = OverpassTileSource(args.cache_dir)
-    data_source = DataSource(tile_source)
+async def process_tracks(session, data_source, tracks):
+    """
+    Processes the tracks and writes event data to the database.
 
-    filename_input = os.path.abspath(args.input)
-    dataset_id = os.path.splitext(os.path.basename(args.input))[0]
-
-    os.makedirs(args.output, exist_ok=True)
-
-    log.info("Loading settings")
-    settings_path = os.path.abspath(args.settings_file)
-    with open(settings_path, "rt") as f:
-        settings = json.load(f)
-
-    settings_output_path = os.path.abspath(
-        os.path.join(args.output, "track-settings.json")
-    )
-    if settings_path != settings_output_path:
-        log.info("Copy settings to output directory")
-        shutil.copyfile(settings_path, settings_output_path)
-
-    log.info("Annotating and filtering CSV file")
-    imported_data, statistics = ImportMeasurementsCsv().read(
-        filename_input,
-        user_id="dummy",
-        dataset_id=dataset_id,
-    )
-
-    input_data = await AnnotateMeasurements(
-        data_source, cache_dir=args.cache_dir
-    ).annotate(imported_data)
-
-    filters_from_settings = []
-    for filter_description in settings.get("filters", []):
-        filter_type = filter_description.get("type")
-        if filter_type == "PrivacyZonesFilter":
-            privacy_zones = [
-                PrivacyZone(
-                    latitude=zone.get("latitude"),
-                    longitude=zone.get("longitude"),
-                    radius=zone.get("radius"),
+    :param tracks: A list of strings which
+    """
+    for track_id_or_slug in tracks:
+        track = (
+            await session.execute(
+                select(Track)
+                .where(
+                    Track.id == track_id_or_slug
+                    if isinstance(track_id_or_slug, int)
+                    else Track.slug == track_id_or_slug
                 )
-                for zone in filter_description.get("config", {}).get("privacyZones", [])
-            ]
-            filters_from_settings.append(PrivacyZonesFilter(privacy_zones))
-        else:
-            log.warning("Ignoring unknown filter type %r in settings file", filter_type)
+                .options(joinedload(Track.author))
+            )
+        ).scalar()
 
-    track_filter = ChainFilter(
-        RequiredFieldsFilter(),
-        PrivacyFilter(
-            user_id_mode=AnonymizationMode.REMOVE,
-            measurement_id_mode=AnonymizationMode.REMOVE,
-        ),
-        *filters_from_settings,
-    )
-    measurements_filter = DistanceMeasuredFilter()
-    overtaking_events_filter = ConfirmedFilter()
+        if not track:
+            raise ValueError(f"Track {track_id_or_slug!r} not found.")
 
-    track_points = track_filter.filter(input_data, log=log)
-    measurements = measurements_filter.filter(track_points, log=log)
-    overtaking_events = overtaking_events_filter.filter(measurements, log=log)
+        await process_track(session, track, data_source)
 
-    exporter = ExportMeasurements("measurements.dummy")
-    await exporter.add_measurements(measurements)
-    measurements_json = exporter.get_data()
-    del exporter
 
-    exporter = ExportMeasurements("overtaking_events.dummy")
-    await exporter.add_measurements(overtaking_events)
-    overtaking_events_json = exporter.get_data()
-    del exporter
+def to_naive_utc(t):
+    if t is None:
+        return None
+    return t.astimezone(pytz.UTC).replace(tzinfo=None)
 
-    track_json = {
-        "type": "Feature",
-        "geometry": {
-            "type": "LineString",
-            "coordinates": [[m["latitude"], m["longitude"]] for m in track_points],
-        },
-    }
 
-    statistics_json = {
-        "recordedAt": statistics["t_min"].isoformat()
-        if statistics["t_min"] is not None
-        else None,
-        "recordedUntil": statistics["t_max"].isoformat()
-        if statistics["t_max"] is not None
-        else None,
-        "duration": statistics["t"],
-        "length": statistics["d"],
-        "segments": statistics["n_segments"],
-        "numEvents": statistics["n_confirmed"],
-        "numMeasurements": statistics["n_measurements"],
-        "numValid": statistics["n_valid"],
-    }
-
-    for output_filename, data in [
-        ("measurements.json", measurements_json),
-        ("overtakingEvents.json", overtaking_events_json),
-        ("track.json", track_json),
-        ("statistics.json", statistics_json),
-    ]:
-        with open(os.path.join(args.output, output_filename), "w") as fp:
-            json.dump(data, fp, indent=4)
-
-    log.info("Importing to database.")
-    async with make_session() as session:
-        await clear_track_data(session, settings["trackId"])
-        await import_overtaking_events(session, settings["trackId"], overtaking_events)
+async def process_track(session, track, data_source):
+    try:
+        track.processing_status = "complete"
+        track.processed_at = datetime.utcnow()
         await session.commit()
 
+        original_file_path = track.get_original_file_path(app.config)
+
+        output_dir = join(
+            app.config.PROCESSING_OUTPUT_DIR, track.author.username, track.slug
+        )
+        os.makedirs(output_dir, exist_ok=True)
+
+        log.info("Annotating and filtering CSV file")
+        imported_data, statistics = ImportMeasurementsCsv().read(
+            original_file_path,
+            user_id="dummy",  # TODO: user username or id or nothing?
+            dataset_id=Track.slug,  # TODO: use track id or slug or nothing?
+        )
+
+        annotator = AnnotateMeasurements(
+            data_source, cache_dir=app.config.OBS_FACE_CACHE_DIR
+        )
+        input_data = await annotator.annotate(imported_data)
+
+        track_filter = ChainFilter(
+            RequiredFieldsFilter(),
+            PrivacyFilter(
+                user_id_mode=AnonymizationMode.REMOVE,
+                measurement_id_mode=AnonymizationMode.REMOVE,
+            ),
+            # TODO: load user privacy zones and create a PrivacyZonesFilter() from them
+        )
+        measurements_filter = DistanceMeasuredFilter()
+        overtaking_events_filter = ConfirmedFilter()
+
+        track_points = track_filter.filter(input_data, log=log)
+        measurements = measurements_filter.filter(track_points, log=log)
+        overtaking_events = overtaking_events_filter.filter(measurements, log=log)
+
+        exporter = ExportMeasurements("measurements.dummy")
+        await exporter.add_measurements(measurements)
+        measurements_json = exporter.get_data()
+        del exporter
+
+        exporter = ExportMeasurements("overtaking_events.dummy")
+        await exporter.add_measurements(overtaking_events)
+        overtaking_events_json = exporter.get_data()
+        del exporter
+
+        track_json = {
+            "type": "Feature",
+            "geometry": {
+                "type": "LineString",
+                "coordinates": [[m["latitude"], m["longitude"]] for m in track_points],
+            },
+        }
+
+        for output_filename, data in [
+            ("measurements.json", measurements_json),
+            ("overtakingEvents.json", overtaking_events_json),
+            ("track.json", track_json),
+        ]:
+            target = join(output_dir, output_filename)
+            log.debug("Writing file %s", target)
+            with open(target, "w") as fp:
+                json.dump(data, fp, indent=4)
+
+        log.info("Import events into database...")
+        await clear_track_data(session, track)
+        await import_overtaking_events(session, track, overtaking_events)
+
+        log.info("Write track statistics and update status...")
+        track.recorded_at = to_naive_utc(statistics["t_min"])
+        track.recorded_until = to_naive_utc(statistics["t_max"])
+        track.duration = statistics["t"]
+        track.length = statistics["d"]
+        track.segments = statistics["n_segments"]
+        track.num_events = statistics["n_confirmed"]
+        track.num_measurements = statistics["n_measurements"]
+        track.num_valid = statistics["n_valid"]
+        track.processing_status = "complete"
+        track.processed_at = datetime.utcnow()
+        await session.commit()
+
+        log.info("Track %s imported.", track.slug)
+    except BaseException as e:
+        await clear_track_data(session, track)
+        track.processing_status = "error"
+        track.processing_log = str(e)
+        track.processed_at = datetime.utcnow()
+
+        await session.commit()
+        raise
+
+
+async def clear_track_data(session, track):
+    track.recorded_at = None
+    track.recorded_until = None
+    track.duration = None
+    track.length = None
+    track.segments = None
+    track.num_events = None
+    track.num_measurements = None
+    track.num_valid = None
 
-async def clear_track_data(session, track_id):
     await session.execute(
-        delete(OvertakingEvent).where(OvertakingEvent.track_id == track_id)
+        delete(OvertakingEvent).where(OvertakingEvent.track_id == track.id)
     )
 
 
-async def import_overtaking_events(session, track_id, overtaking_events):
+async def import_overtaking_events(session, track, overtaking_events):
     event_models = []
     for m in overtaking_events:
-        sha = hashlib.sha256()
-        sha.update(track_id.encode("utf-8"))
-        sha.update(struct.pack("Q", int(m["time"].timestamp())))
-        hex_hash = sha.hexdigest()
+        hex_hash = hashlib.sha256(
+            struct.pack("QQ", track.id, int(m["time"].timestamp()))
+        ).hexdigest()
 
         event_models.append(
             OvertakingEvent(
-                track_id=track_id,
+                track_id=track.id,
                 hex_hash=hex_hash,
                 way_id=m["OSM_way_id"],
                 direction_reversed=m["OSM_way_orientation"] < 0,

api/tools/reprocess_all_tracks.js

@@ -1,19 +0,0 @@
-require('../src/db');
-
-const { Track } = require('../src/models');
-
-async function main() {
-  for (const track of await Track.find()) {
-    console.log('queuing', track.slug);
-    await track.queueProcessing();
-  }
-}
-
-main()
-  .then(() => {
-    process.exit(1);
-  })
-  .catch((e) => {
-    console.error(e);
-    process.exit(1);
-  });

api/tools/reset_database.py

@@ -4,7 +4,7 @@ import logging
 import os
 import asyncio
 
-from obs.face.db import init_models, connect_db
+from obs.api.db import init_models, connect_db
 
 log = logging.getLogger(__name__)
 

docker-compose.yaml

@@ -16,13 +16,6 @@ services:
       - '27017:27017'
     restart: on-failure
 
-  redis:
-    image: redis
-    volumes:
-      - ./local/redis:/data
-    command: redis-server --appendonly yes
-    restart: on-failure
-
   postgres:
     image: "openmaptiles/postgis:6.0"
     environment:
@@ -37,51 +30,41 @@ services:
   api:
     image: obs-api
     build:
-      context: ./api
+      context: ./api/
+      dockerfile: Dockerfile
     volumes:
-      - ./api/src:/opt/obs/api/src
+      - ./api/obs:/opt/obs/api/obs
+      - ./api/scripts/obs:/opt/obs/scripts/obs
       - ./api/tools:/opt/obs/api/tools
-      - ./api/scripts/obs:/opt/obs/api/scripts/obs
-      - ./api/views:/opt/obs/api/views
+      - ./api/config.dev.py:/opt/obs/api/config.py
       - ./local/api-data:/data
-      - ./api/.migrations.js:/opt/obs/api/.migrations.js
-      - ./api/migrations:/opt/obs/api/migrations/
-      - ./api/config.dev.json:/opt/obs/api/config.json
-    environment:
-      - PORT=3000
-      - MONGODB_URL=mongodb://mongo/obsTest
-      - DATA_DIR=/data
-      - POSTGRES_URL="postgresql+asyncpg://obs:obs@localhost/obs"
     links:
-      - mongo
-      - redis
+      - postgres
+      - keycloak
     ports:
       - '3000:3000'
     restart: on-failure
     command:
-      - npm
-      - run
-      - dev
+      - obs-api
 
   worker:
     image: obs-api
     build:
-      context: ./api
+      context: ./api/
+      dockerfile: Dockerfile
     volumes:
-      - ./api/src:/opt/obs/api/src
+      - ./api/obs:/opt/obs/api/obs
+      - ./api/scripts/obs:/opt/obs/scripts/obs
       - ./api/tools:/opt/obs/api/tools
-      - ./api/scripts/obs:/opt/obs/api/scripts/obs
-      - ./api/views:/opt/obs/api/views
+      - ./api/config.dev.py:/opt/obs/api/config.py
       - ./local/api-data:/data
-      - ./api/config.dev.json:/opt/obs/api/config.json
-    environment:
-      - DATA_DIR=/data
     links:
-      - mongo
-      - redis
+      - postgres
+      - keycloak
     restart: on-failure
-    command: 'bash -c "pip install geopy && npm run dev:worker"'
-
+    command:
+      - python
+      - tools/process_track.py
 
   frontend:
     image: obs-frontend
@@ -99,6 +82,7 @@ services:
       - PORT=3000
     links:
       - api
+      - tileserver
     ports:
       - '3001:3000'
     restart: on-failure
@@ -107,8 +91,7 @@ services:
       - start
 
   openmaptiles-tools:
-    image: "openmaptiles/openmaptiles-tools:${TOOLS_VERSION}"
-    env_file: tile-generator/.env
+    image: openmaptiles/openmaptiles-tools:6.0
     environment:
       # Must match the version of this file (first line)
       # download-osm will use it when generating a composer file
@@ -138,13 +121,11 @@ services:
       - ./tile-generator/cache:/cache
 
   generate-vectortiles:
-    image: "openmaptiles/generate-vectortiles:${TOOLS_VERSION}"
+    image: openmaptiles/generate-vectortiles:6.0
     volumes:
       - ./tile-generator/data:/export
       - ./tile-generator/build/openmaptiles.tm2source:/tm2source
-    env_file: tile-generator/.env
     environment:
-      FILTER_MAPNIK_OUTPUT: ${FILTER_MAPNIK_OUTPUT}
       MBTILES_NAME: ${MBTILES_FILE}
       BBOX: ${BBOX}
       MIN_ZOOM: ${MIN_ZOOM}
@@ -168,4 +149,20 @@ services:
     command:
       - --config
       - /config/tileserver.json
-      # - /data/tiles.mbtiles
+
+  keycloak:
+    image: jboss/keycloak
+    ports:
+      - 3003:8080
+    links:
+      - postgres
+    environment:
+      KEYCLOAK_USER: admin
+      KEYCLOAK_PASSWORD: admin
+      KEYCLOAK_FRONTEND_URL: http://localhost:3003/auth/
+      DB_VENDOR: postgres
+      DB_ADDR: postgres
+      DB_DATABASE: obs
+      DB_USER: obs
+      DB_PASSWORD: obs
+      # DB_SCHEMA: keycloak

frontend/config.dev.json

@@ -1,11 +1,5 @@
 {
-  "apiUrl": "http://localhost:3001",
-  "auth": {
-    "server": "http://localhost:3000",
-    "clientId": "b730f8d2-d93c-4c68-9ff0-dfac8da76ee2",
-    "scope": "*",
-    "redirectUri": "http://localhost:3001/redirect"
-  },
+  "apiUrl": "http://localhost:3000",
   "imprintUrl": "https://example.com/imprint",
   "privacyPolicyUrl": "https://example.com/privacy",
   "mapTileset": {

frontend/src/App.js

@@ -42,6 +42,10 @@ const App = connect((state) => ({login: state.login}))(function App({login}) {
   const config = useConfig()
   const apiVersion = useObservable(() => from(api.get('/info')).pipe(pluck('version')))
 
+  React.useEffect(() => {
+    api.loadUser()
+  }, [])
+
   return (
     <Router basename={process.env.PUBLIC_URL || '/'}>
       <Menu fixed="top">

frontend/src/api.js

@@ -1,9 +1,7 @@
 import {stringifyParams} from 'query'
 import globalStore from 'store'
-import {setAuth, invalidateAccessToken, resetAuth} from 'reducers/auth'
 import {setLogin} from 'reducers/login'
 import configPromise from 'config'
-import {create as createPkce} from 'pkce'
 import download from 'downloadjs'
 
 function getFileNameFromContentDispostionHeader(contentDisposition: string): string | undefined {
@@ -29,196 +27,42 @@ class RequestError extends Error {
 class API {
   constructor(store) {
     this.store = store
-    this._getValidAccessTokenPromise = null
   }
 
-  /**
-   * Fetches or directly returns from cache the metadata information from the
-   * authorization server, according to https://tools.ietf.org/html/rfc8414.
-   * Also validates compatibility with this metadata server, i.e. checking that
-   * it supports PKCE.
-   */
-  async getAuthorizationServerMetadata() {
-    const config = await configPromise
-    const url = new URL(config.auth.server)
-    const pathSuffix = url.pathname.replace(/^\/+|\/+$/, '')
-    url.pathname = '/.well-known/oauth-authorization-server' + (pathSuffix ? '/' + pathSuffix : '')
-
-    const response = await window.fetch(url.toString())
-    const metadata = await response.json()
-
-    const {
-      authorization_endpoint: authorizationEndpoint,
-      token_endpoint: tokenEndpoint,
-      response_types_supported: responseTypesSupported,
-      code_challenge_methods_supported: codeChallengeMethodsSupported,
-    } = metadata
-    if (!authorizationEndpoint) {
-      throw new Error('No authorization endpoint')
+  async loadUser() {
+    try {
+      const result = await this.get('/user')
+      this.store.dispatch(setLogin(result))
+    } catch {
+      this.store.dispatch(setLogin(null))
     }
-
-    if (!authorizationEndpoint.startsWith(config.auth.server)) {
-      throw new Error('Invalid authorization endpoint')
-    }
-
-    if (!tokenEndpoint) {
-      throw new Error('No token endpoint')
-    }
-
-    if (!tokenEndpoint.startsWith(config.auth.server)) {
-      throw new Error('Invalid token endpoint')
-    }
-
-    if (!Array.isArray(responseTypesSupported) || !responseTypesSupported.includes('code')) {
-      throw new Error('Authorization code flow not supported or no support advertised.')
-    }
-
-    if (!Array.isArray(codeChallengeMethodsSupported) || !codeChallengeMethodsSupported.includes('S256')) {
-      throw new Error('PKCE with S256 not supported or no support advertised.')
-    }
-
-    return {authorizationEndpoint, tokenEndpoint}
-  }
-
-  /**
-   * Return an access token, if it is (still) valid. If not, and a refresh
-   * token exists, use the refresh token to issue a new access token. If that
-   * fails, or neither is available, return `null`. This should usually result
-   * in a redirect to login.
-   */
-  async getValidAccessToken() {
-    // prevent multiple parallel refresh processes
-    if (this._getValidAccessTokenPromise) {
-      return await this._getValidAccessTokenPromise
-    } else {
-      this._getValidAccessTokenPromise = this._getValidAccessToken()
-      const result = await this._getValidAccessTokenPromise
-      this._getValidAccessTokenPromise = null
-      return result
-    }
-  }
-
-  async _getValidAccessToken() {
-    let {auth} = this.store.getState()
-
-    if (!auth) {
-      return null
-    }
-
-    const {tokenType, accessToken, refreshToken, expiresAt} = auth
-
-    // access token is valid
-    if (accessToken && expiresAt > new Date().getTime()) {
-      return `${tokenType} ${accessToken}`
-    }
-
-    if (!refreshToken) {
-      return null
-    }
-
-    //  Try to use the refresh token
-    const {tokenEndpoint} = await this.getAuthorizationServerMetadata()
-    const config = await configPromise
-    const url = new URL(tokenEndpoint)
-    url.searchParams.append('refresh_token', refreshToken)
-    url.searchParams.append('grant_type', 'refresh_token')
-    url.searchParams.append('scope', config.auth.scope)
-    const response = await window.fetch(url.toString())
-    const json = await response.json()
-
-    if (response.status === 200 && json != null && json.error == null) {
-      auth = this.getAuthFromTokenResponse(json)
-      this.store.dispatch(setAuth(auth))
-      return `${auth.tokenType} ${auth.accessToken}`
-    } else {
-      console.warn('Could not use refresh token, error response:', json)
-      this.store.dispatch(resetAuth())
-      return null
-    }
-  }
-
-  async exchangeAuthorizationCode(code) {
-    const codeVerifier = localStorage.getItem('codeVerifier')
-    if (!codeVerifier) {
-      throw new Error('No code verifier found')
-    }
-
-    const {tokenEndpoint} = await this.getAuthorizationServerMetadata()
-    const config = await configPromise
-    const url = new URL(tokenEndpoint)
-    url.searchParams.append('code', code)
-    url.searchParams.append('grant_type', 'authorization_code')
-    url.searchParams.append('client_id', config.auth.clientId)
-    url.searchParams.append('redirect_uri', config.auth.redirectUri)
-    url.searchParams.append('code_verifier', codeVerifier)
-    const response = await window.fetch(url.toString())
-    const json = await response.json()
-
-    if (json.error) {
-      return json
-    }
-
-    const auth = api.getAuthFromTokenResponse(json)
-    this.store.dispatch(setAuth(auth))
-
-    const {user} = await this.get('/user')
-    this.store.dispatch(setLogin(user))
-
-    return true
   }
 
   async logout() {
-    // 1. Tell the store to forget that we're logged in.
-    this.store.dispatch(resetAuth())
-
-    // 2. Log out session in API.
-    const {tokenEndpoint} = await this.getAuthorizationServerMetadata()
-    const url = new URL(tokenEndpoint.replace(/\/token$/, '/logout'))
-    url.searchParams.append('redirectTo', window.location.href) // bring us back to the current page
-
+    const config = await configPromise
+    const url = new URL(config.apiUrl + '/logout')
+    url.searchParams.append('next', window.location.href) // bring us back to the current page
     window.location.href = url.toString()
   }
 
   async makeLoginUrl() {
-    const {authorizationEndpoint} = await this.getAuthorizationServerMetadata()
     const config = await configPromise
-
-    const {codeVerifier, codeChallenge} = createPkce()
-    localStorage.setItem('codeVerifier', codeVerifier)
-
-    const loginUrl = new URL(authorizationEndpoint)
-    loginUrl.searchParams.append('client_id', config.auth.clientId)
-    loginUrl.searchParams.append('scope', config.auth.scope)
-    loginUrl.searchParams.append('redirect_uri', config.auth.redirectUri)
-    loginUrl.searchParams.append('response_type', 'code')
-    loginUrl.searchParams.append('code_challenge', codeChallenge)
-    loginUrl.searchParams.append('code_challenge_method', 'S256')
-
-    // TODO: Implement PKCE
-
-    return loginUrl.toString()
+    const url = new URL(config.apiUrl + '/login')
+    url.searchParams.append('next', window.location.href) // bring us back to the current page
+    return url.toString()
   }
 
   async fetch(url, options = {}) {
-    const accessToken = await this.getValidAccessToken()
     const config = await configPromise
 
     const {returnResponse = false, ...fetchOptions} = options
 
-    const response = await window.fetch(config.apiUrl + '/api' + url, {
+    const response = await window.fetch(config.apiUrl + url, {
       ...fetchOptions,
-      headers: {
-        ...(fetchOptions.headers || {}),
-        Authorization: accessToken,
-      },
+      credentials: 'include',
     })
 
     if (response.status === 401) {
-      // Unset login, since 401 means that we're not logged in. On the next
-      // request with `getValidAccessToken()`, this will be detected and the
-      // refresh token is used (if still valid).
-      this.store.dispatch(invalidateAccessToken())
-
       throw new Error('401 Unauthorized')
     }
 
@@ -278,16 +122,6 @@ class API {
     return await this.post(url, {...options, method: 'put'})
   }
 
-  getAuthFromTokenResponse(tokenResponse) {
-    return {
-      tokenType: tokenResponse.token_type,
-      accessToken: tokenResponse.access_token,
-      refreshToken: tokenResponse.refresh_token,
-      expiresAt: new Date().getTime() + tokenResponse.expires_in * 1000,
-      scope: tokenResponse.scope,
-    }
-  }
-
   async downloadFile(url, options = {}) {
     const res = await this.fetch(url, {returnResponse: true, ...options})
     const blob = await res.blob()

frontend/src/components/LoginButton.js

@@ -7,9 +7,11 @@ export default function LoginButton(props)  {
   const [busy, setBusy] = React.useState(false)
 
   const onClick = React.useCallback(async (e) => {
+    console.log('aa')
     e.preventDefault()
     setBusy(true)
     const url = await api.makeLoginUrl()
+    console.log('go', url)
     window.location.href = url
     setBusy(false)
   }, [setBusy])

frontend/src/components/Page/index.tsx

@@ -6,7 +6,7 @@ import styles from './Page.module.scss'
 
 export default function Page({small, children, fullScreen}: {small?: boolean, children: ReactNode, fullScreen?: boolean}) {
   return (
-    <main className={classnames({page: true, small, fullScreen})}>
+    <main className={classnames(styles.page, small && styles.small, fullScreen && styles.fullScreen)}>
       {fullScreen ? children : <Container>{children}</Container>}
     </main>
   )

frontend/src/config.ts

@@ -8,6 +8,13 @@ export interface Config {
     zoom: number
   }
   obsMapSource?: string
+  imprintUrl?: string
+  privacyPolicyUrl?: string
+  mapTileset?: {
+    url?: string
+    minZoom?: number
+    maxZoom?: number
+  }
 }
 
 async function loadConfig(): Promise<Config> {

frontend/src/pages/LogoutPage.js

@@ -10,8 +10,10 @@ const LogoutPage = connect(
 )(function LogoutPage({loggedIn}) {
   React.useEffect(() => {
     // no await, just trigger it
-    api.logout()
-  })
+    if (loggedIn) {
+      api.logout()
+    }
+  }, [loggedIn])
 
   return loggedIn ? <Loader active /> : <Redirect to="/" />
 })

frontend/src/pages/TrackPage/TrackDetails.tsx

@@ -37,10 +37,10 @@ export default function TrackDetails({track, isAuthor}) {
         </List.Item>
       )}
 
-      {track.statistics?.duration != null && (
+      {track.duration != null && (
         <List.Item>
           <List.Header>Duration</List.Header>
-          {formatDuration(track.statistics.duration)}
+          {formatDuration(track.duration)}
         </List.Item>
       )}
 
@@ -51,24 +51,32 @@ export default function TrackDetails({track, isAuthor}) {
         </List.Item>
       )}
 
-      {track?.statistics?.recordedAt != null && (
+      {track?.recordedAt != null && (
         <List.Item>
           <List.Header>Recorded on</List.Header>
-          <FormattedDate date={track?.statistics.recordedAt} />
+          <FormattedDate date={track?.recordedAt} />
         </List.Item>
       )}
 
-      {track?.statistics?.numEvents != null && (
+      {track?.numEvents != null && (
         <List.Item>
           <List.Header>Confirmed events</List.Header>
-          {track?.statistics.numEvents}
+          {track?.numEvents}
         </List.Item>
       )}
 
-      {track?.statistics?.trackLength != null && (
+      {track?.length != null && (
         <List.Item>
           <List.Header>Length</List.Header>
-          {(track?.statistics.trackLength / 1000).toFixed(2)} km
+          {(track?.length / 1000).toFixed(2)} km
+        </List.Item>
+      )}
+
+
+      {track?.processingStatus != null && (
+        <List.Item>
+          <List.Header>Processing</List.Header>
+          {track.processingStatus}
         </List.Item>
       )}
     </List>

frontend/src/pages/TrackPage/index.tsx

@@ -57,7 +57,6 @@ const TrackPage = connect((state) => ({login: state.login}))(function TrackPage(
             of(undefined),
             from(api.get(url)).pipe(
               catchError(() => {
-                // history.replace('/tracks')
                 return of(null)
               })
             )
@@ -72,7 +71,7 @@ const TrackPage = connect((state) => ({login: state.login}))(function TrackPage(
         switchMap((url) =>
           from(api.get(url)).pipe(
             catchError(() => {
-              history.replace('/tracks')
+              return of(null)
             })
           )
         ),
@@ -117,8 +116,10 @@ const TrackPage = connect((state) => ({login: state.login}))(function TrackPage(
 
   const {track, trackData, comments} = data || {}
 
+  console.log({track, trackData})
   const loading = track == null || trackData === undefined
-  const processing = ['processing', 'pending'].includes(track?.processingStatus)
+  const processing = ['processing', 'queued', 'created'].includes(track?.processingStatus)
+  const error = track?.processingStatus === 'error'
 
   const [left, setLeft] = React.useState(true)
   const [right, setRight] = React.useState(false)
@@ -135,6 +136,15 @@ const TrackPage = connect((state) => ({login: state.login}))(function TrackPage(
         </Message>
       )}
 
+      {error && (
+        <Message error>
+          <Message.Content>
+            The processing of this track failed, please ask your site
+            administrator for help in debugging the issue.
+          </Message.Content>
+        </Message>
+      )}
+
       <Grid stackable>
         <Grid.Row>
           <Grid.Column width={12}>

frontend/src/pages/TracksPage.tsx

@@ -94,6 +94,14 @@ function maxLength(t, max) {
   }
 }
 
+const COLOR_BY_STATUS = {
+  error: 'red',
+  complete: 'green',
+  created: 'gray',
+  queued: 'orange',
+  processing: 'orange',
+}
+
 export function TrackListItem({track, privateTracks = false}) {
   return (
     <Item key={track.slug}>
@@ -121,6 +129,10 @@ export function TrackListItem({track, privateTracks = false}) {
                 <Icon name="eye slash" fitted /> Private
               </>
             )}
+
+            <span style={{marginLeft: '1em'}}>
+              <Icon color={COLOR_BY_STATUS[track.processingStatus]} name="bolt" fitted /> Processing {track.processingStatus}
+            </span>
           </Item.Extra>
         )}
       </Item.Content>

frontend/src/pages/UploadPage.tsx

@@ -63,6 +63,7 @@ export function FileUploadStatus({
         formData.append('body', file)
 
         xhr = new XMLHttpRequest()
+        xhr.withCredentials = true
 
         const onProgress = (e) => {
           const progress = (e.loaded || 0) / (e.total || 1)
@@ -79,14 +80,14 @@ export function FileUploadStatus({
 
         const config = await configPromise
         if (slug) {
-          xhr.open('PUT', `${config.apiUrl}/api/tracks/${slug}`)
+          xhr.open('PUT', `${config.apiUrl}/tracks/${slug}`)
         } else {
-          xhr.open('POST', `${config.apiUrl}/api/tracks`)
+          xhr.open('POST', `${config.apiUrl}/tracks`)
         }
 
-        const accessToken = await api.getValidAccessToken()
+        // const accessToken = await api.getValidAccessToken()
 
-        xhr.setRequestHeader('Authorization', accessToken)
+        // xhr.setRequestHeader('Authorization', accessToken)
         xhr.send(formData)
       }
 

frontend/src/reducers/auth.js

@@ -1,30 +0,0 @@
-const initialState = null
-
-export function setAuth(auth) {
-  return {type: 'AUTH.SET', payload: {auth}}
-}
-
-export function resetAuth() {
-  return {type: 'AUTH.RESET'}
-}
-
-export function invalidateAccessToken() {
-  return {type: 'AUTH.INVALIDATE_ACCESS_TOKEN'}
-}
-
-export default function loginReducer(state = initialState, action) {
-  switch (action.type) {
-    case 'AUTH.SET':
-      return action.payload.auth
-    case 'AUTH.INVALIDATE_ACCESS_TOKEN':
-      return state && {
-        ...state,
-        accessToken: null,
-        expiresAt: 0,
-      }
-    case 'AUTH.RESET':
-      return null
-    default:
-      return state
-  }
-}

frontend/src/reducers/index.js

@@ -1,6 +1,5 @@
 import {combineReducers} from 'redux'
 
 import login from './login'
-import auth from './auth'
 
-export default combineReducers({login, auth})
+export default combineReducers({login})

frontend/src/reducers/login.js

@@ -4,12 +4,16 @@ export function setLogin(user) {
   return {type: 'LOGIN.SET', payload: {user}}
 }
 
+export function resetLogin() {
+  return {type: 'LOGIN.RESET'}
+}
+
 export default function loginReducer(state = initialState, action) {
   switch (action.type) {
     case 'LOGIN.SET':
       return action.payload.user
 
-    case 'AUTH.RESET': // cross reducer action :)
+    case 'LOGIN.RESET':
       return null
 
     default:

frontend/src/store.js

@@ -3,7 +3,7 @@ import persistState from 'redux-localstorage'
 
 import rootReducer from './reducers'
 
-const enhancer = compose(persistState(['login', 'auth']))
+const enhancer = compose(persistState(['login']))
 
 const store = createStore(rootReducer, undefined, enhancer)
 

frontend/src/types.ts

@@ -12,7 +12,13 @@ export type TrackData = {
   overtakingEvents: FeatureCollection,
 }
 
-export type TrackStatistics = {
+export type Track = {
+  slug: string
+  author: UserProfile
+  title: string
+  description?: string
+  createdAt: string
+  public?: boolean
   recordedAt?: Date
   recordedUntil?: Date
   duration?: number
@@ -23,16 +29,6 @@ export type TrackStatistics = {
   numValid?: number
 }
 
-export type Track = {
-  slug: string
-  author: UserProfile
-  title: string
-  description?: string
-  createdAt: string
-  public?: boolean
-  statistics?: TrackStatistics
-}
-
 export type TrackPoint = {
   type: 'Feature',
   geometry: Point,

old-api/Dockerfile

@@ -0,0 +1,31 @@
+FROM node:15.14-buster
+
+# Install python3, pip3, and make them the default for `python` and `pip` commands
+RUN apt-get update && apt-get install -y python3 python3-pip
+RUN ln -s $(which python3) /usr/local/bin/python
+RUN ln -s $(which pip3) /usr/local/bin/pip
+
+WORKDIR /opt/obs/api
+
+ADD package.json package-lock.json /opt/obs/api/
+RUN echo update-notifier=false >> ~/.npmrc
+RUN npm ci
+
+ADD scripts /opt/obs/api/scripts/
+ADD tools /opt/obs/api/tools/
+ADD requirements.txt /opt/obs/api/
+RUN pip install -r requirements.txt
+RUN pip install -e ./scripts
+
+ADD views /opt/obs/api/views/
+ADD src /opt/obs/api/src/
+
+#ADD .migrations.js .
+#ADD migrations .
+
+EXPOSE 3000
+
+ENV PORT=3000
+ENV DATA_DIR=/data
+
+CMD ["npm", "run", "start"]

old-api/requirements.txt

@@ -0,0 +1,3 @@
+./scripts
+sqlalchemy[asyncio]
+asyncpg

tile-generator/Makefile

@@ -7,7 +7,7 @@ SHELL         = /bin/bash
 .SHELLFLAGS   = -o pipefail -c
 
 # Make all .env variables available for make targets
-include .env
+include ../.env
 
 # Layers definition and meta data
 TILESET_FILE ?= openmaptiles.yaml