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1 | # GNU MediaGoblin -- federated, autonomous media hosting |
2 | # Copyright (C) 2011, 2012 MediaGoblin contributors. See AUTHORS. | |
3 | # | |
4 | # This program is free software: you can redistribute it and/or modify | |
5 | # it under the terms of the GNU Affero General Public License as published by | |
6 | # the Free Software Foundation, either version 3 of the License, or | |
7 | # (at your option) any later version. | |
8 | # | |
9 | # This program is distributed in the hope that it will be useful, | |
10 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | # GNU Affero General Public License for more details. | |
13 | # | |
14 | # You should have received a copy of the GNU Affero General Public License | |
15 | # along with this program. If not, see <http://www.gnu.org/licenses/>. | |
16 | ||
17 | import json | |
4504dbba JW |
18 | import logging |
19 | import uuid | |
20 | ||
21 | from os.path import splitext | |
74af60bb | 22 | from werkzeug.datastructures import FileStorage |
62d14bf5 | 23 | from werkzeug.exceptions import BadRequest, Forbidden |
4504dbba | 24 | from werkzeug.utils import secure_filename |
74af60bb | 25 | from werkzeug.wrappers import Response |
4504dbba | 26 | from celery import registry |
a062149e | 27 | |
4504dbba JW |
28 | from mediagoblin.db.util import ObjectId |
29 | from mediagoblin.decorators import require_active_login | |
30 | from mediagoblin.processing import mark_entry_failed | |
31 | from mediagoblin.processing.task import ProcessMedia | |
32 | from mediagoblin.meddleware.csrf import csrf_exempt | |
111a609d | 33 | from mediagoblin.media_types import sniff_media |
42c83752 JW |
34 | from mediagoblin.plugins.api.tools import api_auth, get_entry_serializable, \ |
35 | json_response | |
a062149e | 36 | |
4504dbba JW |
37 | _log = logging.getLogger(__name__) |
38 | ||
39 | ||
40 | @csrf_exempt | |
41 | @api_auth | |
42 | @require_active_login | |
43 | def post_entry(request): | |
44 | _log.debug('Posting entry') | |
09e528ac JW |
45 | |
46 | if request.method == 'OPTIONS': | |
47 | return json_response({'status': 200}) | |
48 | ||
4504dbba | 49 | if request.method != 'POST': |
09e528ac | 50 | _log.debug('Must POST against post_entry') |
cfa92229 | 51 | raise BadRequest() |
4504dbba | 52 | |
111a609d JW |
53 | if not 'file' in request.files \ |
54 | or not isinstance(request.files['file'], FileStorage) \ | |
55 | or not request.files['file'].stream: | |
09e528ac | 56 | _log.debug('File field not found') |
cfa92229 | 57 | raise BadRequest() |
4504dbba | 58 | |
111a609d | 59 | media_file = request.files['file'] |
4504dbba JW |
60 | |
61 | media_type, media_manager = sniff_media(media_file) | |
62 | ||
63 | entry = request.db.MediaEntry() | |
64 | entry.id = ObjectId() | |
65 | entry.media_type = unicode(media_type) | |
111a609d | 66 | entry.title = unicode(request.form.get('title') |
4504dbba JW |
67 | or splitext(media_file.filename)[0]) |
68 | ||
111a609d JW |
69 | entry.description = unicode(request.form.get('description')) |
70 | entry.license = unicode(request.form.get('license', '')) | |
4504dbba JW |
71 | |
72 | entry.uploader = request.user.id | |
73 | ||
74 | entry.generate_slug() | |
75 | ||
76 | task_id = unicode(uuid.uuid4()) | |
77 | ||
78 | # Now store generate the queueing related filename | |
79 | queue_filepath = request.app.queue_store.get_unique_filepath( | |
80 | ['media_entries', | |
81 | task_id, | |
82 | secure_filename(media_file.filename)]) | |
83 | ||
84 | # queue appropriately | |
85 | queue_file = request.app.queue_store.get_file( | |
86 | queue_filepath, 'wb') | |
87 | ||
88 | with queue_file: | |
111a609d | 89 | queue_file.write(request.files['file'].stream.read()) |
4504dbba JW |
90 | |
91 | # Add queued filename to the entry | |
92 | entry.queued_media_file = queue_filepath | |
93 | ||
94 | entry.queued_task_id = task_id | |
95 | ||
96 | # Save now so we have this data before kicking off processing | |
b39d1f23 | 97 | entry.save() |
4504dbba | 98 | |
111a609d | 99 | if request.form.get('callback_url'): |
5354f954 JW |
100 | metadata = request.db.ProcessingMetaData() |
101 | metadata.media_entry = entry | |
111a609d | 102 | metadata.callback_url = unicode(request.form['callback_url']) |
5354f954 JW |
103 | metadata.save() |
104 | ||
4504dbba JW |
105 | # Pass off to processing |
106 | # | |
107 | # (... don't change entry after this point to avoid race | |
108 | # conditions with changes to the document via processing code) | |
109 | process_media = registry.tasks[ProcessMedia.name] | |
110 | try: | |
111 | process_media.apply_async( | |
5c2b8486 | 112 | [unicode(entry.id)], {}, |
4504dbba JW |
113 | task_id=task_id) |
114 | except BaseException as e: | |
115 | # The purpose of this section is because when running in "lazy" | |
116 | # or always-eager-with-exceptions-propagated celery mode that | |
117 | # the failure handling won't happen on Celery end. Since we | |
118 | # expect a lot of users to run things in this way we have to | |
119 | # capture stuff here. | |
120 | # | |
121 | # ... not completely the diaper pattern because the | |
122 | # exception is re-raised :) | |
5c2b8486 | 123 | mark_entry_failed(entry.id, e) |
4504dbba JW |
124 | # re-raise the exception |
125 | raise | |
126 | ||
127 | return json_response(get_entry_serializable(entry, request.urlgen)) | |
128 | ||
a062149e JW |
129 | |
130 | @api_auth | |
131 | def api_test(request): | |
132 | if not request.user: | |
cfa92229 | 133 | raise Forbidden() |
a062149e JW |
134 | |
135 | user_data = { | |
136 | 'username': request.user.username, | |
137 | 'email': request.user.email} | |
138 | ||
74af60bb SS |
139 | # TODO: This is the *only* thing using Response() here, should that |
140 | # not simply use json_response()? | |
a062149e | 141 | return Response(json.dumps(user_data)) |
42c83752 JW |
142 | |
143 | ||
144 | def get_entries(request): | |
145 | entries = request.db.MediaEntry.query | |
146 | ||
c92aa0d0 | 147 | # TODO: Make it possible to fetch unprocessed media, or media in-processing |
42c83752 JW |
148 | entries = entries.filter_by(state=u'processed') |
149 | ||
c92aa0d0 JW |
150 | # TODO: Add sort order customization |
151 | entries = entries.order_by(request.db.MediaEntry.created.desc()) | |
152 | ||
153 | # TODO: Fetch default and upper limit from config | |
154 | entries = entries.limit(int(request.GET.get('limit') or 10)) | |
155 | ||
42c83752 JW |
156 | entries_serializable = [] |
157 | ||
158 | for entry in entries: | |
85726f73 | 159 | entries_serializable.append(get_entry_serializable(entry, request.urlgen)) |
42c83752 JW |
160 | |
161 | return json_response(entries_serializable) |