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etiquette/etiquette_site.py

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Python
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import flask
from flask import request
import json
import mimetypes
import os
import random
import traceback
import urllib.parse
import warnings
import zipstream
from etiquette import constants
from etiquette import decorators
from etiquette import exceptions
from etiquette import helpers
from etiquette import jsonify
from etiquette import objects
from etiquette import photodb
from etiquette import searchhelpers
from etiquette import sessions
TEMPLATE_DIR = 'C:\\git\\Etiquette\\templates'
STATIC_DIR = 'C:\\git\\Etiquette\\static'
site = flask.Flask(
__name__,
template_folder=TEMPLATE_DIR,
static_folder=STATIC_DIR,
)
site.config.update(
SEND_FILE_MAX_AGE_DEFAULT=180,
TEMPLATES_AUTO_RELOAD=True,
)
site.jinja_env.add_extension('jinja2.ext.do')
site.jinja_env.trim_blocks = True
site.jinja_env.lstrip_blocks = True
site.debug = True
P = photodb.PhotoDB()
session_manager = sessions.SessionManager()
####################################################################################################
####################################################################################################
####################################################################################################
####################################################################################################
def back_url():
return request.args.get('goto') or request.referrer or '/'
def create_tag(easybake_string):
notes = P.easybake(easybake_string)
notes = [{'action': action, 'tagname': tagname} for (action, tagname) in notes]
return notes
def delete_tag(tag):
tag = tag.split('.')[-1].split('+')[0]
tag = P.get_tag(tag)
tag.delete()
return {'action': 'delete_tag', 'tagname': tag.name}
def delete_synonym(synonym):
synonym = synonym.split('+')[-1].split('.')[-1]
try:
master_tag = P.get_tag(synonym)
except exceptions.NoSuchTag as e:
raise exceptions.NoSuchSynonym(*e.given_args, **e.given_kwargs)
master_tag.remove_synonym(synonym)
return {'action':'delete_synonym', 'synonym': synonym}
def P_wrapper(function):
def P_wrapped(thingid, response_type='html'):
try:
return function(thingid)
except exceptions.EtiquetteException as e:
if isinstance(e, exceptions.NoSuch):
status = 404
else:
status = 400
if response_type == 'html':
flask.abort(status, e.error_message)
else:
response = jsonify.exception(e)
response = jsonify.make_json_response(response, status=status)
flask.abort(response)
except Exception as e:
traceback.print_exc()
if response_type == 'html':
flask.abort(500)
else:
flask.abort(jsonify.make_response({}, status=500))
return P_wrapped
@P_wrapper
def P_album(albumid):
return P.get_album(albumid)
@P_wrapper
def P_photo(photoid):
return P.get_photo(photoid)
@P_wrapper
def P_tag(tagname):
return P.get_tag(tagname)
@P_wrapper
def P_user(username):
return P.get_user(username=username)
def send_file(filepath, override_mimetype=None):
'''
Range-enabled file sending.
'''
try:
file_size = os.path.getsize(filepath)
except FileNotFoundError:
flask.abort(404)
outgoing_headers = {}
if override_mimetype is not None:
mimetype = override_mimetype
else:
mimetype = mimetypes.guess_type(filepath)[0]
if mimetype is not None:
if 'text/' in mimetype:
mimetype += '; charset=utf-8'
outgoing_headers['Content-Type'] = mimetype
if 'range' in request.headers:
desired_range = request.headers['range'].lower()
desired_range = desired_range.split('bytes=')[-1]
int_helper = lambda x: int(x) if x.isdigit() else None
if '-' in desired_range:
(desired_min, desired_max) = desired_range.split('-')
range_min = int_helper(desired_min)
range_max = int_helper(desired_max)
else:
range_min = int_helper(desired_range)
if range_min is None:
range_min = 0
if range_max is None:
range_max = file_size
# because ranges are 0-indexed
range_max = min(range_max, file_size - 1)
range_min = max(range_min, 0)
range_header = 'bytes {min}-{max}/{outof}'.format(
min=range_min,
max=range_max,
outof=file_size,
)
outgoing_headers['Content-Range'] = range_header
status = 206
else:
range_max = file_size - 1
range_min = 0
status = 200
outgoing_headers['Accept-Ranges'] = 'bytes'
outgoing_headers['Content-Length'] = (range_max - range_min) + 1
if request.method == 'HEAD':
outgoing_data = bytes()
else:
outgoing_data = helpers.read_filebytes(
filepath,
range_min=range_min,
range_max=range_max,
chunk_size=P.config['file_read_chunk'],
)
response = flask.Response(
outgoing_data,
status=status,
headers=outgoing_headers,
)
return response
####################################################################################################
####################################################################################################
####################################################################################################
####################################################################################################
@site.route('/')
@session_manager.give_token
def root():
motd = random.choice(P.config['motd_strings'])
session = session_manager.get(request)
return flask.render_template('root.html', motd=motd, session=session)
@site.route('/login', methods=['GET'])
@session_manager.give_token
def get_login():
session = session_manager.get(request)
return flask.render_template('login.html', session=session)
@site.route('/register', methods=['GET'])
def get_register():
return flask.redirect('/login')
@site.route('/login', methods=['POST'])
@session_manager.give_token
@decorators.required_fields(['username', 'password'])
def post_login():
if session_manager.get(request):
e = exceptions.AlreadySignedIn()
response = jsonify.exception(e)
return jsonify.make_json_response(response, status=403)
username = request.form['username']
password = request.form['password']
try:
# Consideration: Should the server hash the password to discourage
# information (user exists) leak via response time?
# Currently I think not, because they can check if the account
# page 404s anyway.
user = P.get_user(username=username)
user = P.login(user.id, password)
except (exceptions.NoSuchUser, exceptions.WrongLogin):
e = exceptions.WrongLogin()
response = jsonify.exception(e)
return jsonify.make_json_response(response, status=422)
session = sessions.Session(request, user)
session_manager.add(session)
return jsonify.make_json_response({})
@site.route('/register', methods=['POST'])
@session_manager.give_token
@decorators.required_fields(['username', 'password_1', 'password_2'])
def post_register():
if session_manager.get(request):
e = exceptions.AlreadySignedIn()
response = jsonify.exception(e)
return jsonify.make_json_response(response, status=403)
username = request.form['username']
password_1 = request.form['password_1']
password_2 = request.form['password_2']
if password_1 != password_2:
response = {
'error_type': 'PASSWORDS_DONT_MATCH',
'error_message': 'Passwords do not match.',
}
return jsonify.make_json_response(response, status=422)
try:
user = P.register_user(username, password_1)
except exceptions.EtiquetteException as e:
response = jsonify.exception(e)
return jsonify.make_json_response(response, status=400)
session = sessions.Session(request, user)
session_manager.add(session)
return jsonify.make_json_response({})
@site.route('/logout', methods=['GET', 'POST'])
@session_manager.give_token
def logout():
session_manager.remove(request)
response = flask.Response('redirect', status=302, headers={'Location': back_url()})
return response
@site.route('/favicon.ico')
@site.route('/favicon.png')
def favicon():
filename = os.path.join(STATIC_DIR, 'favicon.png')
return flask.send_file(filename)
def get_album_core(albumid):
album = P_album(albumid)
return album
@site.route('/album/<albumid>')
@session_manager.give_token
def get_album_html(albumid):
album = get_album_core(albumid)
session = session_manager.get(request)
response = flask.render_template(
'album.html',
album=album,
session=session,
view=request.args.get('view', 'grid'),
)
return response
@site.route('/album/<albumid>.json')
@session_manager.give_token
def get_album_json(albumid):
album = get_album_core(albumid)
album = jsonify.album(album)
album['sub_albums'] = [P_album(x) for x in album['sub_albums']]
album['sub_albums'].sort(key=lambda x: (x.title or x.id).lower())
album['sub_albums'] = [jsonify.album(x, minimal=True) for x in album['sub_albums']]
return jsonify.make_json_response(album)
@site.route('/album/<albumid>.zip')
def get_album_zip(albumid):
album = P_album(albumid)
recursive = request.args.get('recursive', True)
recursive = helpers.truthystring(recursive)
arcnames = helpers.album_zip_filenames(album, recursive=recursive)
streamed_zip = zipstream.ZipFile()
for (real_filepath, arcname) in arcnames.items():
streamed_zip.write(real_filepath, arcname=arcname)
# Add the album metadata as an {id}.txt file within each directory.
directories = helpers.album_zip_directories(album, recursive=recursive)
for (inner_album, directory) in directories.items():
text = []
if inner_album.title:
text.append('Title: ' + inner_album.title)
if inner_album.description:
text.append('Description: ' + inner_album.description)
if not text:
continue
text = '\r\n\r\n'.join(text)
streamed_zip.writestr(
arcname=os.path.join(directory, 'album %s.txt' % inner_album.id),
data=text.encode('utf-8'),
)
if album.title:
download_as = 'album %s - %s.zip' % (album.id, album.title)
else:
download_as = 'album %s.zip' % album.id
download_as = helpers.normalize_filepath(download_as)
download_as = urllib.parse.quote(download_as)
outgoing_headers = {
'Content-Type': 'application/octet-stream',
'Content-Disposition': 'attachment; filename*=UTF-8\'\'%s' % download_as,
}
return flask.Response(streamed_zip, headers=outgoing_headers)
def get_albums_core():
albums = list(P.get_root_albums())
albums.sort(key=lambda x: x.display_name.lower())
return albums
@site.route('/albums')
@session_manager.give_token
def get_albums_html():
albums = get_albums_core()
session = session_manager.get(request)
return flask.render_template('albums.html', albums=albums, session=session)
@site.route('/albums.json')
@session_manager.give_token
def get_albums_json():
albums = get_albums_core()
albums = [jsonify.album(album, minimal=True) for album in albums]
return jsonify.make_json_response(albums)
@site.route('/bookmarks')
@session_manager.give_token
def get_bookmarks():
session = session_manager.get(request)
bookmarks = list(P.get_bookmarks())
return flask.render_template('bookmarks.html', bookmarks=bookmarks, session=session)
@site.route('/file/<photoid>')
def get_file(photoid):
photoid = photoid.split('.')[0]
photo = P.get_photo(photoid)
do_download = request.args.get('download', False)
do_download = helpers.truthystring(do_download)
use_original_filename = request.args.get('original_filename', False)
use_original_filename = helpers.truthystring(use_original_filename)
if do_download:
if use_original_filename:
download_as = photo.basename
else:
download_as = photo.id + photo.dot_extension
download_as = helpers.normalize_filepath(download_as)
download_as = urllib.parse.quote(download_as)
response = flask.make_response(send_file(photo.real_filepath))
response.headers['Content-Disposition'] = 'attachment; filename*=UTF-8\'\'%s' % download_as
return response
else:
return send_file(photo.real_filepath, override_mimetype=photo.mimetype)
@site.route('/photo/<photoid>', methods=['GET'])
@session_manager.give_token
def get_photo_html(photoid):
photo = P_photo(photoid, response_type='html')
session = session_manager.get(request)
return flask.render_template('photo.html', photo=photo, session=session)
@site.route('/photo/<photoid>.json', methods=['GET'])
@session_manager.give_token
def get_photo_json(photoid):
photo = P_photo(photoid, response_type='json')
photo = jsonify.photo(photo)
photo = jsonify.make_json_response(photo)
return photo
def get_search_core():
warning_bag = objects.WarningBag()
has_tags = request.args.get('has_tags')
tag_musts = request.args.get('tag_musts')
tag_mays = request.args.get('tag_mays')
tag_forbids = request.args.get('tag_forbids')
tag_expression = request.args.get('tag_expression')
filename_terms = request.args.get('filename')
extension = request.args.get('extension')
extension_not = request.args.get('extension_not')
mimetype = request.args.get('mimetype')
limit = request.args.get('limit')
# This is being pre-processed because the site enforces a maximum value
# which the PhotoDB api does not.
limit = searchhelpers.normalize_limit(limit, warning_bag=warning_bag)
if limit is None:
limit = 50
else:
limit = min(limit, 100)
offset = request.args.get('offset')
authors = request.args.get('author')
orderby = request.args.get('orderby')
area = request.args.get('area')
width = request.args.get('width')
height = request.args.get('height')
ratio = request.args.get('ratio')
bytes = request.args.get('bytes')
duration = request.args.get('duration')
created = request.args.get('created')
# These are in a dictionary so I can pass them to the page template.
search_kwargs = {
'area': area,
'width': width,
'height': height,
'ratio': ratio,
'bytes': bytes,
'duration': duration,
'authors': authors,
'created': created,
'extension': extension,
'extension_not': extension_not,
'filename': filename_terms,
'has_tags': has_tags,
'mimetype': mimetype,
'tag_musts': tag_musts,
'tag_mays': tag_mays,
'tag_forbids': tag_forbids,
'tag_expression': tag_expression,
'limit': limit,
'offset': offset,
'orderby': orderby,
'warning_bag': warning_bag,
'give_back_parameters': True
}
#print(search_kwargs)
search_generator = P.search(**search_kwargs)
# Because of the giveback, first element is cleaned up kwargs
search_kwargs = next(search_generator)
# The search has converted many arguments into sets or other types.
# Convert them back into something that will display nicely on the search form.
join_helper = lambda x: ', '.join(x) if x else None
search_kwargs['extension'] = join_helper(search_kwargs['extension'])
search_kwargs['extension_not'] = join_helper(search_kwargs['extension_not'])
search_kwargs['mimetype'] = join_helper(search_kwargs['mimetype'])
tagname_helper = lambda tags: [tag.qualified_name() for tag in tags] if tags else None
search_kwargs['tag_musts'] = tagname_helper(search_kwargs['tag_musts'])
search_kwargs['tag_mays'] = tagname_helper(search_kwargs['tag_mays'])
search_kwargs['tag_forbids'] = tagname_helper(search_kwargs['tag_forbids'])
#quoted_helper = lambda text: '"%s"' % text if ' ' in text else text
#filename_helper = lambda fn: ' '.join(quoted_helper(part) for part in fn) if fn else None
#search_kwargs['filename'] = filename_helper(search_kwargs['filename'])
search_results = list(search_generator)
warnings = set()
photos = []
for item in search_results:
if isinstance(item, objects.WarningBag):
warnings.update(item.warnings)
else:
photos.append(item)
# TAGS ON THIS PAGE
total_tags = set()
for photo in photos:
for tag in photo.tags():
total_tags.add(tag.qualified_name())
total_tags = sorted(total_tags)
# PREV-NEXT PAGE URLS
offset = search_kwargs['offset'] or 0
original_params = request.args.to_dict()
original_params['limit'] = limit
if len(photos) == limit:
next_params = original_params.copy()
next_params['offset'] = offset + limit
next_params = helpers.dict_to_params(next_params)
next_page_url = '/search' + next_params
else:
next_page_url = None
if offset > 0:
prev_params = original_params.copy()
prev_params['offset'] = max(0, offset - limit)
prev_params = helpers.dict_to_params(prev_params)
prev_page_url = '/search' + prev_params
else:
prev_page_url = None
view = request.args.get('view', 'grid')
search_kwargs['view'] = view
final_results = {
'next_page_url': next_page_url,
'prev_page_url': prev_page_url,
'photos': photos,
'total_tags': total_tags,
'warnings': list(warnings),
'search_kwargs': search_kwargs,
}
return final_results
@site.route('/search')
@session_manager.give_token
def get_search_html():
search_results = get_search_core()
search_kwargs = search_results['search_kwargs']
qualname_map = P.export_tags(exporter=photodb.tag_export_qualname_map)
session = session_manager.get(request)
response = flask.render_template(
'search.html',
next_page_url=search_results['next_page_url'],
prev_page_url=search_results['prev_page_url'],
photos=search_results['photos'],
qualname_map=json.dumps(qualname_map),
search_kwargs=search_kwargs,
session=session,
total_tags=search_results['total_tags'],
warnings=search_results['warnings'],
)
return response
@site.route('/search.json')
@session_manager.give_token
def get_search_json():
search_results = get_search_core()
search_results['photos'] = [
jsonify.photo(photo, include_albums=False) for photo in search_results['photos']
]
return jsonify.make_json_response(search_results)
def get_tags_core(specific_tag=None):
if specific_tag is None:
tags = P.get_tags()
else:
tags = specific_tag.walk_children()
tags = list(tags)
tags.sort(key=lambda x: x.qualified_name())
return tags
@site.route('/tags')
@site.route('/tags/<specific_tag>')
@session_manager.give_token
def get_tags_html(specific_tag=None):
if specific_tag is not None:
specific_tag = P_tag(specific_tag, response_type='html')
tags = get_tags_core(specific_tag)
session = session_manager.get(request)
include_synonyms = request.args.get('synonyms')
include_synonyms = include_synonyms is None or helpers.truthystring(include_synonyms)
response = flask.render_template(
'tags.html',
include_synonyms=include_synonyms,
session=session,
tags=tags,
)
return response
@site.route('/tags.json')
@site.route('/tags/<specific_tag>.json')
@session_manager.give_token
def get_tags_json(specific_tag=None):
if specific_tag is not None:
specific_tag = P_tag(specific_tag, response_type='json')
tags = get_tags_core(specific_tag)
include_synonyms = request.args.get('synonyms')
include_synonyms = include_synonyms is None or helpers.truthystring(include_synonyms)
tags = [jsonify.tag(tag, include_synonyms=include_synonyms) for tag in tags]
return jsonify.make_json_response(tags)
@site.route('/thumbnail/<photoid>')
def get_thumbnail(photoid):
photoid = photoid.split('.')[0]
photo = P_photo(photoid)
if photo.thumbnail:
path = photo.thumbnail
else:
flask.abort(404, 'That file doesnt have a thumbnail')
return send_file(path)
def get_user_core(username):
user = P_user(username)
return user
@site.route('/user/<username>', methods=['GET'])
@session_manager.give_token
def get_user_html(username):
user = get_user_core(username)
session = session_manager.get(request)
return flask.render_template('user.html', user=user, session=session)
@site.route('/user/<username>.json', methods=['GET'])
@session_manager.give_token
def get_user_json(username):
user = get_user_core(username)
user = jsonify.user(user)
user = jsonify.make_json_response(user)
return user
@site.route('/album/<albumid>/add_tag', methods=['POST'])
@session_manager.give_token
def post_album_add_tag(albumid):
'''
Apply a tag to every photo in the album.
'''
response = {}
album = P_album(albumid)
tag = request.form['tagname'].strip()
try:
tag = P_tag(tag)
except exceptions.NoSuchTag as e:
response = jsonify.exception(e)
return jsonify.make_json_response(response, status=404)
recursive = request.form.get('recursive', False)
recursive = helpers.truthystring(recursive)
album.add_tag_to_all(tag, nested_children=recursive)
response['action'] = 'add_tag'
response['tagname'] = tag.name
return jsonify.make_json_response(response)
@site.route('/album/<albumid>/edit', methods=['POST'])
@session_manager.give_token
def post_album_edit(albumid):
'''
Edit the title / description.
'''
album = P_album(albumid)
title = request.form.get('title', None)
description = request.form.get('description', None)
album.edit(title=title, description=description)
response = {'title': album.title, 'description': album.description}
return jsonify.make_json_response(response)
def post_photo_add_remove_tag_core(photoid, tagname, add_or_remove):
photo = P_photo(photoid, response_type='json')
tag = P_tag(tagname, response_type='json')
try:
if add_or_remove == 'add':
photo.add_tag(tag)
elif add_or_remove == 'remove':
photo.remove_tag(tag)
except exceptions.EtiquetteException as e:
response = jsonify.exception(e)
response = jsonify.make_json_response(response, status=400)
flask.abort(response)
response = {'tagname': tag.name}
return jsonify.make_json_response(response)
@site.route('/photo/<photoid>/add_tag', methods=['POST'])
@decorators.required_fields(['tagname'], forbid_whitespace=True)
def post_photo_add_tag(photoid):
'''
Add a tag to this photo.
'''
return post_photo_add_remove_tag_core(photoid, request.form['tagname'], 'add')
@site.route('/photo/<photoid>/remove_tag', methods=['POST'])
@decorators.required_fields(['tagname'], forbid_whitespace=True)
def post_photo_remove_tag(photoid):
'''
Remove a tag from this photo.
'''
return post_photo_add_remove_tag_core(photoid, request.form['tagname'], 'remove')
@site.route('/photo/<photoid>/refresh_metadata', methods=['POST'])
def post_photo_refresh_metadata(photoid):
'''
Refresh the file metadata.
'''
photo = P_photo(photoid, response_type='json')
try:
photo.reload_metadata()
except exceptions.EtiquetteException as e:
response = jsonify.exception(e)
response = jsonify.make_json_response(response, status=400)
flask.abort(response)
return jsonify.make_json_response({})
def post_tag_create_delete_core(tagname, function):
try:
response = function(tagname)
status = 200
except exceptions.EtiquetteException as e:
response = jsonify.exception(e)
status = 400
#print(response)
return jsonify.make_json_response(response, status=status)
@site.route('/tags/create_tag', methods=['POST'])
@decorators.required_fields(['tagname'], forbid_whitespace=True)
def post_tag_create():
'''
Create a tag.
'''
return post_tag_create_delete_core(request.form['tagname'], create_tag)
@site.route('/tags/delete_tag', methods=['POST'])
@decorators.required_fields(['tagname'], forbid_whitespace=True)
def post_tag_delete():
'''
Delete a tag.
'''
return post_tag_create_delete_core(request.form['tagname'], delete_tag)
@site.route('/tags/delete_synonym', methods=['POST'])
@decorators.required_fields(['tagname'], forbid_whitespace=True)
def post_tag_delete_synonym():
'''
Delete a synonym.
'''
return post_tag_create_delete_core(request.form['tagname'], delete_synonym)
@site.route('/apitest')
@session_manager.give_token
def apitest():
response = flask.Response('testing')
response.set_cookie('etiquette_session', 'don\'t overwrite me')
return response
if __name__ == '__main__':
#site.run(threaded=True)
pass
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