import logging import re from datetime import datetime, timedelta, timezone from os import makedirs, path, remove, system from pathlib import Path from random import randint from secrets import token_urlsafe from shutil import move from threading import Thread from typing import Union from uuid import uuid4 import aiofiles from bson.errors import InvalidId from bson.objectid import ObjectId from fastapi import Security, UploadFile from fastapi.responses import Response, UJSONResponse from jose import JWTError, jwt from magic import Magic from plum.exceptions import UnpackError from pydantic import ValidationError from pymongo import DESCENDING from starlette.status import HTTP_204_NO_CONTENT, HTTP_409_CONFLICT from classes.exceptions import ( AccessTokenInvalidError, AlbumNameNotFoundError, PhotoNotFoundError, PhotoSearchQueryEmptyError, SearchLimitInvalidError, SearchPageInvalidError, SearchTokenInvalidError, ) from classes.models import ( Photo, PhotoPublic, RandomSearchResultsPhoto, SearchResultsPhoto, ) from modules.app import app from modules.database import col_albums, col_photos, col_tokens from modules.exif_reader import extract_location from modules.hasher import get_duplicates, get_phash from modules.scheduler import scheduler from modules.security import ( ALGORITHM, SECRET_KEY, TokenData, User, create_access_token, get_current_active_user, get_user, ) from modules.utils import configGet logger = logging.getLogger(__name__) async def compress_image(image_path: str): image_type = Magic(mime=True).from_file(image_path) if image_type not in ["image/jpeg", "image/png"]: logger.info( "Not compressing %s because its mime is '%s'", image_path, image_type ) return size_before = path.getsize(image_path) / 1024 if image_type == "image/jpeg": task = Thread( target=system, kwargs={"command": f'jpegoptim "{image_path}" -o --max=55 -p --strip-none'}, ) elif image_type == "image/png": task = Thread(target=system, kwargs={"command": f'optipng -o3 "{image_path}"'}) else: return task.start() logger.info("Compressing '%s'...", Path(image_path).name) task.join() size_after = path.getsize(image_path) / 1024 logger.info( "Compressed '%s' from %s Kb to %s Kb", Path(image_path).name, size_before, size_after, ) photo_post_responses = { 404: AlbumNameNotFoundError("name").openapi, 409: { "description": "Image Duplicates Found", "content": { "application/json": { "example": { "detail": "Image duplicates found. Pass 'ignore_duplicates=true' to ignore.", "duplicates": ["string"], "access_token": "string", } } }, }, } @app.post( "/albums/{album}/photos", description="Upload a photo to album", response_class=UJSONResponse, response_model=Photo, responses=photo_post_responses, ) async def photo_upload( file: UploadFile, album: str, ignore_duplicates: bool = False, compress: bool = True, caption: Union[str, None] = None, current_user: User = Security(get_current_active_user, scopes=["photos.write"]), ): if (await col_albums.find_one({"user": current_user.user, "name": album})) is None: raise AlbumNameNotFoundError(album) makedirs(Path(f"data/users/{current_user.user}/albums/{album}"), exist_ok=True) filename = file.filename if Path(f"data/users/{current_user.user}/albums/{album}/{file.filename}").exists(): base_name = file.filename.split(".")[:-1] extension = file.filename.split(".")[-1] filename = ( ".".join(base_name) + f"_{int(datetime.now().timestamp())}." + extension ) async with aiofiles.open( Path(f"data/users/{current_user.user}/albums/{album}/{filename}"), "wb" ) as f: await f.write(await file.read()) file_hash = await get_phash( Path(f"data/users/{current_user.user}/albums/{album}/{filename}") ) duplicates = await get_duplicates(file_hash, album) if len(duplicates) > 0 and not ignore_duplicates: if configGet("media_token_access") is True: duplicates_ids = [entry["id"] for entry in duplicates] access_token = create_access_token( data={ "sub": current_user.user, "scopes": ["me", "photos.read"], "allowed": duplicates_ids, }, expires_delta=timedelta(hours=configGet("media_token_valid_hours")), ) access_token_short = uuid4().hex[:12].lower() await col_tokens.insert_one( { "short": access_token_short, "access_token": access_token, "photos": duplicates_ids, } ) else: access_token_short = None return UJSONResponse( { "detail": "Image duplicates found. Pass 'ignore_duplicates=true' to ignore.", "duplicates": duplicates, "access_token": access_token_short, }, status_code=HTTP_409_CONFLICT, ) try: coords = extract_location( Path(f"data/users/{current_user.user}/albums/{album}/{filename}") ) except (UnpackError, ValueError): coords = {"lng": 0.0, "lat": 0.0, "alt": 0.0} uploaded = await col_photos.insert_one( { "user": current_user.user, "album": album, "hash": file_hash, "filename": filename, "dates": { "uploaded": datetime.now(tz=timezone.utc), "modified": datetime.now(tz=timezone.utc), }, "location": [coords["lng"], coords["lat"], coords["alt"]], "caption": caption, } ) if compress: scheduler.add_job( compress_image, trigger="date", run_date=datetime.now() + timedelta(seconds=1), args=[Path(f"data/users/{current_user.user}/albums/{album}/{filename}")], ) return UJSONResponse( { "id": uploaded.inserted_id.__str__(), "album": album, "hash": file_hash, "filename": filename, } ) # Access to photos y token generated for example by # upload method when duplicates are found. Is disabled # by default and should remain so if not really needed. if configGet("media_token_access") is True: photo_get_token_responses = { 401: AccessTokenInvalidError().openapi, 404: PhotoNotFoundError("id").openapi, } @app.get( "/token/photo/{token}", description="Get a photo by its duplicate token", responses=photo_get_token_responses, ) async def photo_get_token(token: str, id: int): db_entry = await col_tokens.find_one({"short": token}) if db_entry is None: raise AccessTokenInvalidError() token = db_entry["access_token"] id = db_entry["photos"][id] try: payload = jwt.decode(token, SECRET_KEY, algorithms=[ALGORITHM]) user: str = payload.get("sub") if user is None: raise AccessTokenInvalidError() token_scopes = payload.get("scopes", []) token_data = TokenData(scopes=token_scopes, user=user) except (JWTError, ValidationError) as exc: raise AccessTokenInvalidError() from exc user_record = await get_user(user=token_data.user) if id not in payload.get("allowed", []): raise AccessTokenInvalidError() try: image = await col_photos.find_one({"_id": ObjectId(id)}) if image is None: raise InvalidId(id) except InvalidId as exc: raise PhotoNotFoundError(id) from exc image_path = Path( f"data/users/{user_record.user}/albums/{image['album']}/{image['filename']}" ) mime = Magic(mime=True).from_file(image_path) async with aiofiles.open(image_path, "rb") as f: image_file = await f.read() return Response(image_file, media_type=mime) photo_get_responses = { 200: { "content": { "application/octet-stream": { "schema": { "type": "string", "format": "binary", "contentMediaType": "image/*", } } } }, 404: PhotoNotFoundError("id").openapi, } @app.get( "/photos/{id}", description="Get a photo by id", responses=photo_get_responses, response_class=Response, ) async def photo_get( id: str, current_user: User = Security(get_current_active_user, scopes=["photos.read"]), ): try: image = await col_photos.find_one({"_id": ObjectId(id)}) if image is None: raise InvalidId(id) except InvalidId as exc: raise PhotoNotFoundError(id) from exc image_path = Path( f"data/users/{current_user.user}/albums/{image['album']}/{image['filename']}" ) mime = Magic(mime=True).from_file(image_path) async with aiofiles.open(image_path, "rb") as f: image_file = await f.read() return Response(image_file, media_type=mime) photo_move_responses = {404: PhotoNotFoundError("id").openapi} @app.put( "/photos/{id}", description="Move a photo to another album", response_model=PhotoPublic, responses=photo_move_responses, ) async def photo_move( id: str, album: str, current_user: User = Security(get_current_active_user, scopes=["photos.write"]), ): try: image = await col_photos.find_one({"_id": ObjectId(id)}) if image is None: raise InvalidId(id) except InvalidId as exc: raise PhotoNotFoundError(id) from exc if (await col_albums.find_one({"user": current_user.user, "name": album})) is None: raise AlbumNameNotFoundError(album) if Path( f"data/users/{current_user.user}/albums/{album}/{image['filename']}" ).exists(): base_name = image["filename"].split(".")[:-1] extension = image["filename"].split(".")[-1] filename = ( ".".join(base_name) + f"_{int(datetime.now().timestamp())}." + extension ) else: filename = image["filename"] await col_photos.find_one_and_update( {"_id": ObjectId(id)}, { "$set": { "album": album, "filename": filename, "dates.modified": datetime.now(tz=timezone.utc), } }, ) move( Path( f"data/users/{current_user.user}/albums/{image['album']}/{image['filename']}" ), Path(f"data/users/{current_user.user}/albums/{album}/{filename}"), ) return UJSONResponse( { "id": image["_id"].__str__(), "caption": image["caption"], "filename": filename, } ) photo_patch_responses = {404: PhotoNotFoundError("id").openapi} @app.patch( "/photos/{id}", description="Change properties of a photo", response_model=PhotoPublic, responses=photo_patch_responses, ) async def photo_patch( id: str, caption: str, current_user: User = Security(get_current_active_user, scopes=["photos.write"]), ): try: image = await col_photos.find_one({"_id": ObjectId(id)}) if image is None: raise InvalidId(id) except InvalidId as exc: raise PhotoNotFoundError(id) from exc await col_photos.find_one_and_update( {"_id": ObjectId(id)}, {"$set": {"caption": caption, "dates.modified": datetime.now(tz=timezone.utc)}}, ) return UJSONResponse( { "id": image["_id"].__str__(), "caption": caption, "filename": image["filename"], } ) photo_delete_responses = {404: PhotoNotFoundError("id").openapi} @app.delete( "/photos/{id}", description="Delete a photo by id", status_code=HTTP_204_NO_CONTENT, responses=photo_delete_responses, ) async def photo_delete( id: str, current_user: User = Security(get_current_active_user, scopes=["photos.write"]), ): try: image = await col_photos.find_one_and_delete({"_id": ObjectId(id)}) if image is None: raise InvalidId(id) except InvalidId as exc: raise PhotoNotFoundError(id) from exc album = await col_albums.find_one({"name": image["album"]}) if album is not None and album["cover"] == image["_id"].__str__(): await col_albums.update_one({"name": image["album"]}, {"$set": {"cover": None}}) remove( Path( f"data/users/{current_user.user}/albums/{image['album']}/{image['filename']}" ) ) return Response(status_code=HTTP_204_NO_CONTENT) photo_random_responses = { 400: SearchLimitInvalidError().openapi, 404: AlbumNameNotFoundError("name").openapi, } @app.get( "/albums/{album}/photos/random", description="Get one random photo, optionally by caption", response_class=UJSONResponse, response_model=RandomSearchResultsPhoto, responses=photo_random_responses, ) async def photo_random( album: str, caption: Union[str, None] = None, limit: int = 100, current_user: User = Security(get_current_active_user, scopes=["photos.list"]), ): if (await col_albums.find_one({"user": current_user.user, "name": album})) is None: raise AlbumNameNotFoundError(album) if limit <= 0: raise SearchLimitInvalidError() output = {"results": []} db_query = ( { "user": current_user.user, "album": album, "caption": re.compile(caption), } if caption is not None else { "user": current_user.user, "album": album, } ) documents_count = await col_photos.count_documents(db_query) skip = randint(0, documents_count - 1) if documents_count > 1 else 0 async for image in col_photos.aggregate( [ {"$match": db_query}, {"$skip": skip}, {"$limit": limit}, ] ): output["results"].append( { "id": image["_id"].__str__(), "filename": image["filename"], "caption": image["caption"], } ) return UJSONResponse(output) photo_find_responses = { 400: SearchPageInvalidError().openapi, 401: SearchTokenInvalidError().openapi, 404: AlbumNameNotFoundError("name").openapi, 422: PhotoSearchQueryEmptyError().openapi, } @app.get( "/albums/{album}/photos", description="Find a photo by filename, caption, location or token", response_class=UJSONResponse, response_model=SearchResultsPhoto, responses=photo_find_responses, ) async def photo_find( album: str, q: Union[str, None] = None, caption: Union[str, None] = None, token: Union[str, None] = None, page: int = 1, page_size: int = 100, lat: Union[float, None] = None, lng: Union[float, None] = None, radius: Union[int, None] = None, current_user: User = Security(get_current_active_user, scopes=["photos.list"]), ): if token is not None: found_record = await col_tokens.find_one({"token": token}) if found_record is None: raise SearchTokenInvalidError() return await photo_find( album=album, q=found_record["query"], caption=found_record["caption"], lat=found_record["lat"], lng=found_record["lng"], radius=found_record["radius"], page=found_record["page"], page_size=found_record["page_size"], current_user=current_user, ) if (await col_albums.find_one({"user": current_user.user, "name": album})) is None: raise AlbumNameNotFoundError(album) if page <= 0 or page_size <= 0: raise SearchPageInvalidError() output = {"results": []} skip = (page - 1) * page_size radius = 5000 if radius is None else radius if (lat is not None) and (lng is not None): db_query = { "user": current_user.user, "album": album, "location": { "$nearSphere": { "$geometry": {"type": "Point", "coordinates": [lng, lat]}, "$maxDistance": radius, } }, } db_query_count = { "user": current_user.user, "album": album, "location": {"$geoWithin": {"$centerSphere": [[lng, lat], radius]}}, } elif q is None and caption is None: raise PhotoSearchQueryEmptyError() elif q is None: db_query = { "user": current_user.user, "album": album, "caption": re.compile(caption), } db_query_count = { "user": current_user.user, "album": album, "caption": re.compile(caption), } elif caption is None: db_query = { "user": current_user.user, "album": album, "filename": re.compile(q), } db_query_count = { "user": current_user.user, "album": album, "filename": re.compile(q), } else: db_query = { "user": current_user.user, "album": album, "filename": re.compile(q), "caption": re.compile(caption), } db_query_count = { "user": current_user.user, "album": album, "filename": re.compile(q), "caption": re.compile(caption), } async for image in col_photos.find(db_query, limit=page_size, skip=skip).sort( "dates.uploaded", direction=DESCENDING ): output["results"].append( { "id": image["_id"].__str__(), "filename": image["filename"], "caption": image["caption"], } ) if (await col_photos.count_documents(db_query_count)) > page * page_size: token = str(token_urlsafe(32)) await col_tokens.insert_one( { "token": token, "query": q, "caption": caption, "lat": lat, "lng": lng, "radius": radius, "page": page + 1, "page_size": page_size, } ) output["next_page"] = f"/albums/{album}/photos/?token={token}" # type: ignore else: output["next_page"] = None # type: ignore return UJSONResponse(output)