227 lines
7.5 KiB
Python
227 lines
7.5 KiB
Python
import os
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import cherrypy
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import logging
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import json
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from datetime import datetime, timedelta
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from photoapp.library import PhotoLibrary
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from photoapp.types import Photo, PhotoSet, Tag, TagItem, PhotoStatus, User
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from jinja2 import Environment, FileSystemLoader, select_autoescape
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from sqlalchemy import desc
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from sqlalchemy import func, and_, or_
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from sqlalchemy.exc import IntegrityError
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from photoapp.common import pwhash
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import math
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from urllib.parse import urlparse
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from photoapp.utils import mime2ext, auth, require_auth, photo_auth_filter, slugify
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from photoapp.dbutils import db
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class StorageAdapter(object):
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"""
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Abstract interface for working with photo file storage. All paths are relative to the storage adapter's root parameter.
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"""
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def file_exists(self, path):
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# TODO return true/false if the file path exists
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raise NotImplementedError()
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def open(self, path, mode):
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# TODO return a handle to the path
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# TODO this should work as a context manager
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raise NotImplementedError()
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def delete(self, path):
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# TODO erase the path
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raise NotImplementedError()
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def dedupe_name(self, path):
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# TODO modify and return the passed path such that writing to it does not overwrite an existing file
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raise NotImplementedError()
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class FilesystemAdapter(StorageAdapter):
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def __init__(self, root):
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super().__init__()
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self.root = root # root path
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def file_exists(self, path):
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# TODO return true/false if the file path exists
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raise NotImplementedError()
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def open(self, path, mode):
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# TODO return a handle to the path. this should work as a context manager
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raise NotImplementedError()
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def delete(self, path):
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# TODO erase the path
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raise NotImplementedError()
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def dedupe_name(self, path):
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# TODO modify and return the passed path such that writing to it does not overwrite an existing file
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raise NotImplementedError()
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class S3Adapter(StorageAdapter):
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def file_exists(self, path):
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# TODO return true/false if the file path exists
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raise NotImplementedError()
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def open(self, path, mode):
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# TODO return a handle to the path. this should work as a context manager
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raise NotImplementedError()
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def delete(self, path):
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# TODO erase the path
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raise NotImplementedError()
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def dedupe_name(self, path):
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# TODO modify and return the passed path such that writing to it does not overwrite an existing file
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raise NotImplementedError()
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class GfapiAdapter(StorageAdapter):
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pass # TODO gluster storage backend
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#This is largely duplicated from library.py, but written with intent for later refactoring to support abstract storage.
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class LibraryManager(object):
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def __init__(self, storage):
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assert isinstance(storage, StorageAdapter)
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self.storage = storage
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def add_photoset(self, photoset):
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"""
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Commit a populated photoset object to the library. The paths in the photoset's file list entries will be updated
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as the file is moved to the library path.
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"""
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# Create target directory
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path = os.path.join(self.path, self.get_datedir_path(photoset.date))
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os.makedirs(path, exist_ok=True)
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moves = [] # Track files moved. If the sql transaction files, we'll undo these
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for file in photoset.files:
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dest = os.path.join(path, os.path.basename(file.path))
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# Check if the name is already in use, rename new file if needed
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dupe_rename = 1
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while os.path.exists(dest):
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fname = os.path.basename(file.path).split(".")
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fname[-2] += "_{}".format(dupe_rename)
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dest = os.path.join(path, '.'.join(fname))
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dupe_rename += 1
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os.rename(file.path, dest)
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moves.append((file.path, dest))
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file.path = dest.lstrip(self.path)
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s = self.session()
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s.add(photoset)
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try:
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s.commit()
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except IntegrityError:
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# Commit failed, undo the moves
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for move in moves:
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os.rename(move[1], move[0])
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raise
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class PhotosApi(object):
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def __init__(self, library):
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self.library = library
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self.v1 = PhotosApiV1(self.library)
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class PhotosApiV1(object):
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def __init__(self, library):
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self.library = library
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@cherrypy.expose
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def index(self):
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yield f"<plaintext>hello, this is the api. my database is: {db}\n"
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@cherrypy.expose
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def upload(self, files, meta):
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"""
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upload accepts one photoset (multiple images)
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metadata format
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"""
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meta = json.loads(meta)
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if type(files) != list:
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files = [files]
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for file in files:
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print("File name:", file.filename)
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# import hashlib
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# sha = hashlib.sha256()
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# total = 0
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# while True:
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# b = file.file.read(1024)
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# if not b:
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# break
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# sha.update(b)
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# total += len(b)
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# print("Read length:", total)
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# print("Read sha256:", sha.hexdigest())
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if str(file.filename) not in meta["files"].keys():
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raise cherrypy.HTTPError(400, f"no mdatadata provided for filename '{file.filename}'")
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print("we have metadata for this file:", meta["files"][file.filename])
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# create database objects based on the request
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# self.lib.add_photoset(set_, photos)
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# build file path (yyyy/mm/dd/yyyy-mm_hh.MM.ss_x.jpg) (incrmenting X if the key already exists etc)
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# copy to storage
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# check if sha256 exists already
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# delete if dupe, raise error
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# (see file rewind code in ingest.py)
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# create records
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# commit
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# respond with list of uuids of the sets
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print("____")
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@cherrypy.expose
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@cherrypy.tools.json_out()
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def byhash(self, sha):
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f = db.query(Photo).filter(Photo.hash == sha).first()
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if not f:
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raise cherrypy.HTTPError(404)
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return f.to_json()
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@cherrypy.expose
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@cherrypy.tools.json_out()
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def set(self, uuid):
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s = db.query(PhotoSet).filter(PhotoSet.uuid == uuid).first()
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if not s:
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raise cherrypy.HTTPError(404)
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return s.to_json()
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@cherrypy.expose
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def download(self, uuid):
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f = db.query(Photo).filter(Photo.uuid == uuid).first()
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if not f:
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raise cherrypy.HTTPError(404)
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return cherrypy.lib.static.serve_file(os.path.abspath(os.path.join("./library", f.path)),
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f.format)#TODO no hardcode path
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@cherrypy.expose
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@cherrypy.tools.json_out()
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def user(self, username=None, password_hash=None):
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if username is None: # list all users
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return [u.to_json() for u in db.query(User).all()]
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elif username and cherrypy.request.method == "DELETE": # delete user
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u = db.query(User).filter(User.name == username).first()
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if not u:
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raise cherrypy.HTTPError(404)
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db.delete(u)
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elif username and password_hash: # create/update user
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u = db.query(User).filter(User.name == username).first()
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if u:
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u.password = password_hash
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else:
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db.add(User(name=username, password=password_hash))
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return "ok"
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