PhotosAPI/extensions/photos.py
2022-12-20 23:59:47 +01:00

159 lines
7.2 KiB
Python

import re
import pickle
from secrets import token_urlsafe
from magic import Magic
from datetime import datetime, timedelta
from os import makedirs, path, remove, system
from classes.models import Photo, SearchResults
from modules.hasher import get_phash, get_duplicates
from modules.scheduler import scheduler
from modules.security import User, get_current_active_user
from modules.app import app
from modules.database import col_photos, col_albums, col_tokens
from bson.objectid import ObjectId
from bson.errors import InvalidId
from fastapi import HTTPException, UploadFile, Security
from fastapi.responses import UJSONResponse, Response
from starlette.status import HTTP_204_NO_CONTENT, HTTP_400_BAD_REQUEST, HTTP_401_UNAUTHORIZED, HTTP_404_NOT_FOUND, HTTP_409_CONFLICT
from modules.utils import logWrite
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"]:
logWrite(f"Not compressing {image_path} because its mime is '{image_type}'")
return
size_before = path.getsize(image_path) / 1024
system(f"exiftool -overwrite_original -all:all= -tagsFromFile @ -exif:Orientation {image_path}")
if image_type == "image/jpeg":
system(f"jpegoptim {image_path} -o --max=55 -p")
elif image_type == "image/png":
system(f"optipng -o3 {image_path}")
size_after = path.getsize(image_path) / 1024
logWrite(f"Compressed '{path.split(image_path)[-1]}' from {size_before} Kb to {size_after} Kb")
@app.post("/albums/{album}/photos", response_class=UJSONResponse, response_model=Photo, description="Upload a photo to album")
async def photo_upload(file: UploadFile, album: str, ignore_duplicates: bool = False, compress: bool = True, current_user: User = Security(get_current_active_user, scopes=["photos.write"])):
if col_albums.find_one( {"user": current_user.user, "name": album} ) is None:
return HTTPException(status_code=HTTP_404_NOT_FOUND, detail=f"Provided album '{album}' does not exist.")
# if not file.content_type.startswith("image"):
# return HTTPException(status_code=HTTP_406_NOT_ACCEPTABLE, detail="Provided file is not an image, not accepting.")
makedirs(path.join("data", "users", current_user.user, "albums", album), exist_ok=True)
filename = file.filename
if path.exists(path.join("data", "users", current_user.user, "albums", album, file.filename)):
base_name = file.filename.split(".")[:-1]
extension = file.filename.split(".")[-1]
filename = ".".join(base_name)+f"_{int(datetime.now().timestamp())}."+extension
with open(path.join("data", "users", current_user.user, "albums", album, filename), "wb") as f:
f.write(await file.read())
file_hash = await get_phash(path.join("data", "users", current_user.user, "albums", album, filename))
duplicates = await get_duplicates(file_hash, album)
if len(duplicates) > 0 and ignore_duplicates is False:
return UJSONResponse(
{
"detail": "Image duplicates found. Pass 'ignore_duplicates=true' to ignore.",
"duplicates": duplicates
},
status_code=HTTP_409_CONFLICT
)
uploaded = col_photos.insert_one( {"user": current_user.user, "album": album, "hash": file_hash, "filename": filename} )
if compress is True:
scheduler.add_job(compress_image, trigger="date", run_date=datetime.now()+timedelta(seconds=1), args=[path.join("data", "users", current_user.user, "albums", album, filename)])
return UJSONResponse(
{
"id": uploaded.inserted_id.__str__(),
"album": album,
"hash": file_hash,
"filename": filename
}
)
@app.get("/photos/{id}", description="Get a photo by id")
async def photo_get(id: str, current_user: User = Security(get_current_active_user, scopes=["photos.view"])):
try:
image = col_photos.find_one( {"_id": ObjectId(id)} )
if image is None:
raise InvalidId(id)
except InvalidId:
return HTTPException(status_code=HTTP_404_NOT_FOUND, detail="Could not find an image with such id.")
image_path = path.join("data", "users", current_user.user, "albums", image["album"], image["filename"])
mime = Magic(mime=True).from_file(image_path)
with open(image_path, "rb") as f: image_file = f.read()
return Response(image_file, media_type=mime)
@app.delete("/photos/{id}", description="Delete a photo by id")
async def photo_delete(id: str, current_user: User = Security(get_current_active_user, scopes=["photos.write"])):
try:
image = col_photos.find_one_and_delete( {"_id": ObjectId(id)} )
if image is None:
raise InvalidId(id)
except InvalidId:
return HTTPException(status_code=HTTP_404_NOT_FOUND, detail="Could not find an image with such id.")
album = col_albums.find_one( {"name": image["album"]} )
if album is not None and album["cover"] == image["_id"].__str__():
col_albums.update_one( {"name": image["album"]}, {"$set": {"cover": None}} )
remove(path.join("data", "users", current_user.user, "albums", image["album"], image["filename"]))
return Response(status_code=HTTP_204_NO_CONTENT)
@app.get("/albums/{album}/photos", response_class=UJSONResponse, response_model=SearchResults, description="Find a photo by filename")
async def photo_find(q: str, album: str, page: int = 1, page_size: int = 100, current_user: User = Security(get_current_active_user, scopes=["photos.list"])):
if col_albums.find_one( {"user": current_user.user, "name": album} ) is None:
return HTTPException(status_code=HTTP_404_NOT_FOUND, detail=f"Provided album '{album}' does not exist.")
if page <= 0 or page_size <= 0:
return HTTPException(status_code=HTTP_400_BAD_REQUEST, detail="Parameters 'page' and 'page_size' must be greater or equal to 1.")
output = {"results": []}
skip = (page-1)*page_size
images = list(col_photos.find({"user": current_user.user, "album": album, "filename": re.compile(q)}, limit=page_size, skip=skip))
for image in images:
output["results"].append({"id": image["_id"].__str__(), "filename": image["filename"]})
if col_photos.count_documents( {"user": current_user.user, "album": album, "filename": re.compile(q)} ) > page*page_size:
token = str(token_urlsafe(32))
col_tokens.insert_one( {"token": token, "query": q, "album": album, "page": page+1, "page_size": page_size, "user": pickle.dumps(current_user)} )
output["next_page"] = f"/albums/{album}/photos/token?token={token}" # type: ignore
else:
output["next_page"] = None # type: ignore
return UJSONResponse(output)
@app.get("/albums/{album}/photos/token", response_class=UJSONResponse, response_model=SearchResults, description="Find a photo by token")
async def photo_find_token(token: str):
found_record = col_tokens.find_one( {"token": token} )
if found_record is None:
return HTTPException(status_code=HTTP_401_UNAUTHORIZED, detail="Invalid search token.")
return await photo_find(q=found_record["query"], album=found_record["album"], page=found_record["page"], page_size=found_record["page_size"], current_user=pickle.loads(found_record["user"]))