mirror of
https://github.com/Derpy-Leggies/OnlyLegs.git
synced 2024-12-29 10:56:10 +00:00
145 lines
4.2 KiB
Python
145 lines
4.2 KiB
Python
"""
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Onlylegs - API endpoints
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Media upload and retrieval
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"""
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from uuid import uuid4
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import os
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import pathlib
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import logging
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from flask import (
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Blueprint,
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flash,
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abort,
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send_from_directory,
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jsonify,
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request,
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current_app,
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)
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from flask_login import login_required, current_user
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from colorthief import ColorThief
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from onlylegs.extensions import db
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from onlylegs.models import Post, GroupJunction
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from onlylegs.utils import metadata as mt
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from onlylegs.utils.generate_image import generate_thumbnail
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blueprint = Blueprint("media_api", __name__, url_prefix="/api/media")
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@blueprint.route("/<path:path>", methods=["GET"])
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def media(path):
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"""
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Returns a file from the uploads folder
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r for resolution, thumb for thumbnail etc
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e for extension, jpg, png etc
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"""
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res = request.args.get("r", default=None, type=str)
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ext = request.args.get("e", default=None, type=str)
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# path = secure_filename(path)
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# if no args are passed, return the raw file
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if not res and not ext:
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if not os.path.exists(os.path.join(current_app.config["MEDIA_FOLDER"], path)):
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abort(404)
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return send_from_directory(current_app.config["MEDIA_FOLDER"], path)
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thumb = generate_thumbnail(path, res, ext)
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if not thumb:
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abort(500)
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return send_from_directory(os.path.dirname(thumb), os.path.basename(thumb))
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@blueprint.route("/upload", methods=["POST"])
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@login_required
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def upload():
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"""
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Uploads an image to the server and saves it to the database
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"""
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form_file = request.files["file"]
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form = request.form
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if not form_file:
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return jsonify({"message": "No file"}), 400
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# Get file extension, generate random name and set file path
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img_ext = pathlib.Path(form_file.filename).suffix.replace(".", "").lower()
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img_name = "GWAGWA_" + str(uuid4())
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img_path = os.path.join(
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current_app.config["UPLOAD_FOLDER"], img_name + "." + img_ext
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)
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# Check if file extension is allowed
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if img_ext not in current_app.config["ALLOWED_EXTENSIONS"].keys():
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logging.info("File extension not allowed: %s", img_ext)
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return jsonify({"message": "File extension not allowed"}), 403
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# Save file
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try:
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form_file.save(img_path)
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except OSError as err:
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logging.info("Error saving file %s because of %s", img_path, err)
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return jsonify({"message": "Error saving file"}), 500
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img_exif = mt.Metadata(img_path).yoink() # Get EXIF data
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img_colors = ColorThief(img_path).get_palette(color_count=3) # Get color palette
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# Save to database
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query = Post(
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author_id=current_user.id,
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filename=img_name + "." + img_ext,
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mimetype=img_ext,
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exif=img_exif,
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colours=img_colors,
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description=form["description"],
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alt=form["alt"],
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)
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db.session.add(query)
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db.session.commit()
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return jsonify({"message": "File uploaded"}), 200
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@blueprint.route("/delete/<int:image_id>", methods=["POST"])
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@login_required
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def delete_image(image_id):
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"""
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Deletes an image from the server and database
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"""
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post = db.get_or_404(Post, image_id)
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# Check if image exists and if user is allowed to delete it (author)
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if post.author_id != current_user.id:
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logging.info("User %s tried to delete image %s", current_user.id, image_id)
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return (
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jsonify({"message": "You are not allowed to delete this image, heck off"}),
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403,
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)
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# Delete file
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try:
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os.remove(os.path.join(current_app.config["UPLOAD_FOLDER"], post.filename))
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except FileNotFoundError:
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logging.warning(
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"File not found: %s, already deleted or never existed", post.filename
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)
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# Delete cached files
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cache_name = post.filename.rsplit(".")[0]
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for cache_file in pathlib.Path(current_app.config["CACHE_FOLDER"]).glob(
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cache_name + "*"
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):
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os.remove(cache_file)
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GroupJunction.query.filter_by(post_id=image_id).delete()
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db.session.delete(post)
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db.session.commit()
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logging.info("Removed image (%s) %s", image_id, post.filename)
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flash(["Image was all in Le Head!", "1"])
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return jsonify({"message": "Image deleted"}), 200
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