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1 | # GNU MediaGoblin -- federated, autonomous media hosting |
2 | # Copyright (C) 2011 Free Software Foundation, Inc | |
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 | ||
4a477e24 CAW |
17 | import uuid |
18 | ||
bb49e56f | 19 | from os.path import splitext |
03afc828 CAW |
20 | from cgi import FieldStorage |
21 | ||
f6f524bf | 22 | from werkzeug.utils import secure_filename |
e323a068 | 23 | |
f64e5250 | 24 | from mediagoblin.db.util import ObjectId |
4bf8e888 | 25 | from mediagoblin.util import ( |
6f2e4585 | 26 | render_to_response, redirect, cleaned_markdown_conversion, \ |
0712a06d | 27 | convert_to_tag_list_of_dicts) |
4b1adc13 | 28 | from mediagoblin.util import pass_to_ugettext as _ |
e323a068 | 29 | from mediagoblin.decorators import require_active_login |
3eeadc92 | 30 | from mediagoblin.submit import forms as submit_forms, security |
6788b412 | 31 | from mediagoblin.process_media import process_media, mark_entry_failed |
4dc74441 | 32 | from mediagoblin.messages import add_message, SUCCESS |
e323a068 CAW |
33 | |
34 | ||
35 | @require_active_login | |
36 | def submit_start(request): | |
37 | """ | |
38 | First view for submitting a file. | |
39 | """ | |
20439236 | 40 | submit_form = submit_forms.SubmitStartForm(request.POST) |
e323a068 | 41 | |
f6f524bf | 42 | if request.method == 'POST' and submit_form.validate(): |
03afc828 CAW |
43 | if not (request.POST.has_key('file') |
44 | and isinstance(request.POST['file'], FieldStorage) | |
45 | and request.POST['file'].file): | |
46 | submit_form.file.errors.append( | |
4b1adc13 | 47 | _(u'You must provide a file.')) |
3eeadc92 JK |
48 | elif not security.check_filetype(request.POST['file']): |
49 | submit_form.file.errors.append( | |
4b1adc13 | 50 | _(u"The file doesn't seem to be an image!")) |
03afc828 | 51 | else: |
bb49e56f AW |
52 | filename = request.POST['file'].filename |
53 | ||
03afc828 CAW |
54 | # create entry and save in database |
55 | entry = request.db.MediaEntry() | |
f64e5250 | 56 | entry['_id'] = ObjectId() |
4bf8e888 CAW |
57 | entry['title'] = ( |
58 | request.POST['title'] | |
59 | or unicode(splitext(filename)[0])) | |
60 | ||
ec61f094 | 61 | entry['description'] = request.POST.get('description') |
4bf8e888 CAW |
62 | entry['description_html'] = cleaned_markdown_conversion( |
63 | entry['description']) | |
44e2da2f | 64 | |
03afc828 | 65 | entry['media_type'] = u'image' # heh |
16509be1 | 66 | entry['uploader'] = request.user['_id'] |
03afc828 | 67 | |
cc7ff3c5 | 68 | # Process the user's folksonomy "tags" |
0712a06d CFD |
69 | entry['tags'] = convert_to_tag_list_of_dicts( |
70 | request.POST.get('tags')) | |
03afc828 | 71 | |
0546833c AW |
72 | # Generate a slug from the title |
73 | entry.generate_slug() | |
74 | ||
03afc828 CAW |
75 | # Now store generate the queueing related filename |
76 | queue_filepath = request.app.queue_store.get_unique_filepath( | |
77 | ['media_entries', | |
03afc828 | 78 | unicode(entry['_id']), |
bb49e56f | 79 | secure_filename(filename)]) |
03afc828 CAW |
80 | |
81 | # queue appropriately | |
82 | queue_file = request.app.queue_store.get_file( | |
83 | queue_filepath, 'wb') | |
84 | ||
85 | with queue_file: | |
86 | queue_file.write(request.POST['file'].file.read()) | |
87 | ||
88 | # Add queued filename to the entry | |
fa7f9c61 | 89 | entry['queued_media_file'] = queue_filepath |
03afc828 | 90 | |
4a477e24 CAW |
91 | # We generate this ourselves so we know what the taks id is for |
92 | # retrieval later. | |
93 | # (If we got it off the task's auto-generation, there'd be a risk of | |
94 | # a race condition when we'd save after sending off the task) | |
95 | task_id = unicode(uuid.uuid4()) | |
96 | entry['queued_task_id'] = task_id | |
07934b44 | 97 | |
4a477e24 | 98 | # Save now so we have this data before kicking off processing |
d990a379 | 99 | entry.save(validate=True) |
fa7f9c61 | 100 | |
4a477e24 CAW |
101 | # Pass off to processing |
102 | # | |
103 | # (... don't change entry after this point to avoid race | |
104 | # conditions with changes to the document via processing code) | |
6788b412 CAW |
105 | try: |
106 | process_media.apply_async( | |
107 | [unicode(entry['_id'])], {}, | |
108 | task_id=task_id) | |
109 | except BaseException as exc: | |
110 | # The purpose of this section is because when running in "lazy" | |
111 | # or always-eager-with-exceptions-propagated celery mode that | |
112 | # the failure handling won't happen on Celery end. Since we | |
113 | # expect a lot of users to run things in this way we have to | |
114 | # capture stuff here. | |
115 | # | |
116 | # ... not completely the diaper pattern because the exception is | |
117 | # re-raised :) | |
118 | mark_entry_failed(entry[u'_id'], exc) | |
119 | # re-raise the exception | |
120 | raise | |
4a477e24 | 121 | |
4b1adc13 | 122 | add_message(request, SUCCESS, _('Woohoo! Submitted!')) |
4dc74441 JW |
123 | |
124 | return redirect(request, "mediagoblin.user_pages.user_home", | |
125 | user = request.user['username']) | |
f6f524bf | 126 | |
9038c9f9 CAW |
127 | return render_to_response( |
128 | request, | |
c9c24934 E |
129 | 'mediagoblin/submit/start.html', |
130 | {'submit_form': submit_form}) |