# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
+import sys
+
+DISPLAY_IMAGE_FETCHING_ORDER = [u'medium', u'original', u'thumb']
+
global TESTS_ENABLED
TESTS_ENABLED = False
+
+def import_component(import_string):
+ """
+ Import a module component defined by STRING. Probably a method,
+ class, or global variable.
+
+ Args:
+ - import_string: a string that defines what to import. Written
+ in the format of "module1.module2:component"
+ """
+ module_name, func_name = import_string.split(':', 1)
+ __import__(module_name)
+ module = sys.modules[module_name]
+ func = getattr(module, func_name)
+ return func
--- /dev/null
+# GNU MediaGoblin -- federated, autonomous media hosting
+# Copyright (C) 2011 MediaGoblin contributors. See AUTHORS.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+from mediagoblin import mg_globals
+
+def delete_media_files(media):
+ """
+ Delete all files associated with a MediaEntry
+
+ Arguments:
+ - media: A MediaEntry document
+ """
+ for listpath in media['media_files'].itervalues():
+ mg_globals.public_store.delete_file(
+ listpath)
+
+ for attachment in media['attachment_files']:
+ mg_globals.public_store.delete_file(
+ attachment['filepath'])
--- /dev/null
+# GNU MediaGoblin -- federated, autonomous media hosting
+# Copyright (C) 2011 MediaGoblin contributors. See AUTHORS.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+import smtplib
+from email.MIMEText import MIMEText
+from mediagoblin import mg_globals
+from mediagoblin.tools import common
+
+### ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+### Special email test stuff begins HERE
+### ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+# We have two "test inboxes" here:
+#
+# EMAIL_TEST_INBOX:
+# ----------------
+# If you're writing test views, you'll probably want to check this.
+# It contains a list of MIMEText messages.
+#
+# EMAIL_TEST_MBOX_INBOX:
+# ----------------------
+# This collects the messages from the FakeMhost inbox. It's reslly
+# just here for testing the send_email method itself.
+#
+# Anyway this contains:
+# - from
+# - to: a list of email recipient addresses
+# - message: not just the body, but the whole message, including
+# headers, etc.
+#
+# ***IMPORTANT!***
+# ----------------
+# Before running tests that call functions which send email, you should
+# always call _clear_test_inboxes() to "wipe" the inboxes clean.
+
+EMAIL_TEST_INBOX = []
+EMAIL_TEST_MBOX_INBOX = []
+
+class FakeMhost(object):
+ """
+ Just a fake mail host so we can capture and test messages
+ from send_email
+ """
+ def login(self, *args, **kwargs):
+ pass
+
+ def sendmail(self, from_addr, to_addrs, message):
+ EMAIL_TEST_MBOX_INBOX.append(
+ {'from': from_addr,
+ 'to': to_addrs,
+ 'message': message})
+
+def _clear_test_inboxes():
+ global EMAIL_TEST_INBOX
+ global EMAIL_TEST_MBOX_INBOX
+ EMAIL_TEST_INBOX = []
+ EMAIL_TEST_MBOX_INBOX = []
+
+### ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+### </Special email test stuff>
+### ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+def send_email(from_addr, to_addrs, subject, message_body):
+ """
+ Simple email sending wrapper, use this so we can capture messages
+ for unit testing purposes.
+
+ Args:
+ - from_addr: address you're sending the email from
+ - to_addrs: list of recipient email addresses
+ - subject: subject of the email
+ - message_body: email body text
+ """
+ if common.TESTS_ENABLED or mg_globals.app_config['email_debug_mode']:
+ mhost = FakeMhost()
+ elif not mg_globals.app_config['email_debug_mode']:
+ mhost = smtplib.SMTP(
+ mg_globals.app_config['email_smtp_host'],
+ mg_globals.app_config['email_smtp_port'])
+
+ # SMTP.__init__ Issues SMTP.connect implicitly if host
+ if not mg_globals.app_config['email_smtp_host']: # e.g. host = ''
+ mhost.connect() # We SMTP.connect explicitly
+
+ if mg_globals.app_config['email_smtp_user'] \
+ or mg_globals.app_config['email_smtp_pass']:
+ mhost.login(
+ mg_globals.app_config['email_smtp_user'],
+ mg_globals.app_config['email_smtp_pass'])
+
+ message = MIMEText(message_body.encode('utf-8'), 'plain', 'utf-8')
+ message['Subject'] = subject
+ message['From'] = from_addr
+ message['To'] = ', '.join(to_addrs)
+
+ if common.TESTS_ENABLED:
+ EMAIL_TEST_INBOX.append(message)
+
+ if mg_globals.app_config['email_debug_mode']:
+ print u"===== Email ====="
+ print u"From address: %s" % message['From']
+ print u"To addresses: %s" % message['To']
+ print u"Subject: %s" % message['Subject']
+ print u"-- Body: --"
+ print message.get_payload(decode=True)
+
+ return mhost.sendmail(from_addr, to_addrs, message.as_string())
--- /dev/null
+# GNU MediaGoblin -- federated, autonomous media hosting
+# Copyright (C) 2011 MediaGoblin contributors. See AUTHORS.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+import urllib
+import copy
+from math import ceil, floor
+from itertools import izip, count
+
+PAGINATION_DEFAULT_PER_PAGE = 30
+
+class Pagination(object):
+ """
+ Pagination class for mongodb queries.
+
+ Initialization through __init__(self, cursor, page=1, per_page=2),
+ get actual data slice through __call__().
+ """
+
+ def __init__(self, page, cursor, per_page=PAGINATION_DEFAULT_PER_PAGE,
+ jump_to_id=False):
+ """
+ Initializes Pagination
+
+ Args:
+ - page: requested page
+ - per_page: number of objects per page
+ - cursor: db cursor
+ - jump_to_id: ObjectId, sets the page to the page containing the object
+ with _id == jump_to_id.
+ """
+ self.page = page
+ self.per_page = per_page
+ self.cursor = cursor
+ self.total_count = self.cursor.count()
+ self.active_id = None
+
+ if jump_to_id:
+ cursor = copy.copy(self.cursor)
+
+ for (doc, increment) in izip(cursor, count(0)):
+ if doc['_id'] == jump_to_id:
+ self.page = 1 + int(floor(increment / self.per_page))
+
+ self.active_id = jump_to_id
+ break
+
+
+ def __call__(self):
+ """
+ Returns slice of objects for the requested page
+ """
+ return self.cursor.skip(
+ (self.page - 1) * self.per_page).limit(self.per_page)
+
+ @property
+ def pages(self):
+ return int(ceil(self.total_count / float(self.per_page)))
+
+ @property
+ def has_prev(self):
+ return self.page > 1
+
+ @property
+ def has_next(self):
+ return self.page < self.pages
+
+ def iter_pages(self, left_edge=2, left_current=2,
+ right_current=5, right_edge=2):
+ last = 0
+ for num in xrange(1, self.pages + 1):
+ if num <= left_edge or \
+ (num > self.page - left_current - 1 and \
+ num < self.page + right_current) or \
+ num > self.pages - right_edge:
+ if last + 1 != num:
+ yield None
+ yield num
+ last = num
+
+ def get_page_url_explicit(self, base_url, get_params, page_no):
+ """
+ Get a page url by adding a page= parameter to the base url
+ """
+ new_get_params = copy.copy(get_params or {})
+ new_get_params['page'] = page_no
+ return "%s?%s" % (
+ base_url, urllib.urlencode(new_get_params))
+
+ def get_page_url(self, request, page_no):
+ """
+ Get a new page url based of the request, and the new page number.
+
+ This is a nice wrapper around get_page_url_explicit()
+ """
+ return self.get_page_url_explicit(
+ request.path_info, request.GET, page_no)
--- /dev/null
+# GNU MediaGoblin -- federated, autonomous media hosting
+# Copyright (C) 2011 MediaGoblin contributors. See AUTHORS.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+from mediagoblin.db.util import ObjectId
+
+def setup_user_in_request(request):
+ """
+ Examine a request and tack on a request.user parameter if that's
+ appropriate.
+ """
+ if not request.session.has_key('user_id'):
+ request.user = None
+ return
+
+ user = None
+ user = request.app.db.User.one(
+ {'_id': ObjectId(request.session['user_id'])})
+
+ if not user:
+ # Something's wrong... this user doesn't exist? Invalidate
+ # this session.
+ request.session.invalidate()
+
+ request.user = user
--- /dev/null
+# GNU MediaGoblin -- federated, autonomous media hosting
+# Copyright (C) 2011 MediaGoblin contributors. See AUTHORS.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+from webob import Response, exc
+from mediagoblin.tools.template import render_template
+
+def render_to_response(request, template, context, status=200):
+ """Much like Django's shortcut.render()"""
+ return Response(
+ render_template(request, template, context),
+ status=status)
+
+def render_404(request):
+ """
+ Render a 404.
+ """
+ return render_to_response(
+ request, 'mediagoblin/404.html', {}, status=400)
+
+def redirect(request, *args, **kwargs):
+ """Returns a HTTPFound(), takes a request and then urlgen params"""
+
+ querystring = None
+ if kwargs.get('querystring'):
+ querystring = kwargs.get('querystring')
+ del kwargs['querystring']
+
+ return exc.HTTPFound(
+ location=''.join([
+ request.urlgen(*args, **kwargs),
+ querystring if querystring else '']))
--- /dev/null
+# GNU MediaGoblin -- federated, autonomous media hosting
+# Copyright (C) 2011 MediaGoblin contributors. See AUTHORS.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+from mediagoblin.tools import common
+from mediagoblin.tools.template import clear_test_template_context
+from mediagoblin.tools.mail import EMAIL_TEST_INBOX, EMAIL_TEST_MBOX_INBOX
+
+def _activate_testing():
+ """
+ Call this to activate testing in util.py
+ """
+
+ common.TESTS_ENABLED = True
+
+def clear_test_buckets():
+ """
+ We store some things for testing purposes that should be cleared
+ when we want a "clean slate" of information for our next round of
+ tests. Call this function to wipe all that stuff clean.
+
+ Also wipes out some other things we might redefine during testing,
+ like the jinja envs.
+ """
+ global SETUP_JINJA_ENVS
+ SETUP_JINJA_ENVS = {}
+
+ global EMAIL_TEST_INBOX
+ global EMAIL_TEST_MBOX_INBOX
+ EMAIL_TEST_INBOX = []
+ EMAIL_TEST_MBOX_INBOX = []
+
+ clear_test_template_context()
--- /dev/null
+# GNU MediaGoblin -- federated, autonomous media hosting
+# Copyright (C) 2011 MediaGoblin contributors. See AUTHORS.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+import wtforms
+import markdown
+from lxml.html.clean import Cleaner
+
+from mediagoblin import mg_globals
+from mediagoblin.tools import url
+
+# A super strict version of the lxml.html cleaner class
+HTML_CLEANER = Cleaner(
+ scripts=True,
+ javascript=True,
+ comments=True,
+ style=True,
+ links=True,
+ page_structure=True,
+ processing_instructions=True,
+ embedded=True,
+ frames=True,
+ forms=True,
+ annoying_tags=True,
+ allow_tags=[
+ 'div', 'b', 'i', 'em', 'strong', 'p', 'ul', 'ol', 'li', 'a', 'br'],
+ remove_unknown_tags=False, # can't be used with allow_tags
+ safe_attrs_only=True,
+ add_nofollow=True, # for now
+ host_whitelist=(),
+ whitelist_tags=set([]))
+
+def clean_html(html):
+ # clean_html barfs on an empty string
+ if not html:
+ return u''
+
+ return HTML_CLEANER.clean_html(html)
+
+def convert_to_tag_list_of_dicts(tag_string):
+ """
+ Filter input from incoming string containing user tags,
+
+ Strips trailing, leading, and internal whitespace, and also converts
+ the "tags" text into an array of tags
+ """
+ taglist = []
+ if tag_string:
+
+ # Strip out internal, trailing, and leading whitespace
+ stripped_tag_string = u' '.join(tag_string.strip().split())
+
+ # Split the tag string into a list of tags
+ for tag in stripped_tag_string.split(
+ mg_globals.app_config['tags_delimiter']):
+
+ # Ignore empty or duplicate tags
+ if tag.strip() and tag.strip() not in [t['name'] for t in taglist]:
+
+ taglist.append({'name': tag.strip(),
+ 'slug': url.slugify(tag.strip())})
+ return taglist
+
+def media_tags_as_string(media_entry_tags):
+ """
+ Generate a string from a media item's tags, stored as a list of dicts
+
+ This is the opposite of convert_to_tag_list_of_dicts
+ """
+ media_tag_string = ''
+ if media_entry_tags:
+ media_tag_string = mg_globals.app_config['tags_delimiter'].join(
+ [tag['name'] for tag in media_entry_tags])
+ return media_tag_string
+
+TOO_LONG_TAG_WARNING = \
+ u'Tags must be shorter than %s characters. Tags that are too long: %s'
+
+def tag_length_validator(form, field):
+ """
+ Make sure tags do not exceed the maximum tag length.
+ """
+ tags = convert_to_tag_list_of_dicts(field.data)
+ too_long_tags = [
+ tag['name'] for tag in tags
+ if len(tag['name']) > mg_globals.app_config['tags_max_length']]
+
+ if too_long_tags:
+ raise wtforms.ValidationError(
+ TOO_LONG_TAG_WARNING % (mg_globals.app_config['tags_max_length'], \
+ ', '.join(too_long_tags)))
+
+
+MARKDOWN_INSTANCE = markdown.Markdown(safe_mode='escape')
+
+def cleaned_markdown_conversion(text):
+ """
+ Take a block of text, run it through MarkDown, and clean its HTML.
+ """
+ # Markdown will do nothing with and clean_html can do nothing with
+ # an empty string :)
+ if not text:
+ return u''
+
+ return clean_html(MARKDOWN_INSTANCE.convert(text))