]>
git.ipfire.org Git - ipfire.org.git/blob - src/backend/wiki.py
12 from .decorators
import *
15 "google" : ("https://www.google.com/search?q=%(url)s", None, "fab fa-google"),
16 "rfc" : ("https://tools.ietf.org/html/rfc%(name)s", "RFC %s", None),
17 "wp" : ("https://en.wikipedia.org/wiki/%(name)s", None, "fab fa-wikipedia-w"),
20 class Wiki(misc
.Object
):
21 def _get_pages(self
, query
, *args
):
22 res
= self
.db
.query(query
, *args
)
25 yield Page(self
.backend
, row
.id, data
=row
)
27 def _get_page(self
, query
, *args
):
28 res
= self
.db
.get(query
, *args
)
31 return Page(self
.backend
, res
.id, data
=res
)
33 def get_page_title(self
, page
, default
=None):
34 # Try to retrieve title from cache
35 title
= self
.memcache
.get("wiki:title:%s" % page
)
39 # If the title has not been in the cache, we will
41 doc
= self
.get_page(page
)
45 title
= os
.path
.basename(page
)
47 # Save in cache for forever
48 self
.memcache
.set("wiki:title:%s" % page
, title
)
52 def get_page(self
, page
, revision
=None):
53 page
= Page
.sanitise_page_name(page
)
57 return self
._get
_page
("SELECT * FROM wiki WHERE page = %s \
58 AND timestamp = %s", page
, revision
)
60 return self
._get
_page
("SELECT * FROM wiki WHERE page = %s \
61 ORDER BY timestamp DESC LIMIT 1", page
)
63 def get_recent_changes(self
, account
, limit
=None):
64 pages
= self
._get
_pages
("SELECT * FROM wiki \
65 WHERE timestamp >= NOW() - INTERVAL '4 weeks' \
66 ORDER BY timestamp DESC")
69 if not page
.check_acl(account
):
78 def create_page(self
, page
, author
, content
, changes
=None, address
=None):
79 page
= Page
.sanitise_page_name(page
)
81 # Write page to the database
82 page
= self
._get
_page
("INSERT INTO wiki(page, author_uid, markdown, changes, address) \
83 VALUES(%s, %s, %s, %s, %s) RETURNING *", page
, author
.uid
, content
or None, changes
, address
)
86 self
.memcache
.set("wiki:title:%s" % page
.page
, page
.title
)
88 # Send email to all watchers
89 page
._send
_watcher
_emails
(excludes
=[author
])
93 def delete_page(self
, page
, author
, **kwargs
):
94 # Do nothing if the page does not exist
95 if not self
.get_page(page
):
98 # Just creates a blank last version of the page
99 self
.create_page(page
, author
=author
, content
=None, **kwargs
)
101 def make_breadcrumbs(self
, url
):
102 # Split and strip all empty elements (double slashes)
103 parts
= list(e
for e
in url
.split("/") if e
)
106 for part
in ("/".join(parts
[:i
]) for i
in range(1, len(parts
))):
107 ret
.append(("/%s" % part
, self
.get_page_title(part
, os
.path
.basename(part
))))
111 def search(self
, query
, account
=None, limit
=None):
112 query
= util
.parse_search_query(query
)
114 res
= self
._get
_pages
("SELECT wiki.* FROM wiki_search_index search_index \
115 LEFT JOIN wiki ON search_index.wiki_id = wiki.id \
116 WHERE search_index.document @@ to_tsquery('english', %s) \
117 ORDER BY ts_rank(search_index.document, to_tsquery('english', %s)) DESC",
122 # Skip any pages the user doesn't have permission for
123 if not page
.check_acl(account
):
126 # Return any other pages
129 # Break when we have found enough pages
130 if limit
and len(pages
) >= limit
:
137 Needs to be called after a page has been changed
139 self
.db
.execute("REFRESH MATERIALIZED VIEW wiki_search_index")
143 def check_acl(self
, page
, account
):
144 res
= self
.db
.query("SELECT * FROM wiki_acls \
145 WHERE %s ILIKE (path || '%%') ORDER BY LENGTH(path) DESC LIMIT 1", page
)
148 # Access not permitted when user is not logged in
152 # If user is in a matching group, we grant permission
153 for group
in row
.groups
:
154 if group
in account
.groups
:
157 # Otherwise access is not permitted
160 # If no ACLs are found, we permit access
165 def _get_files(self
, query
, *args
):
166 res
= self
.db
.query(query
, *args
)
169 yield File(self
.backend
, row
.id, data
=row
)
171 def _get_file(self
, query
, *args
):
172 res
= self
.db
.get(query
, *args
)
175 return File(self
.backend
, res
.id, data
=res
)
177 def get_files(self
, path
):
178 files
= self
._get
_files
("SELECT * FROM wiki_files \
179 WHERE path = %s AND deleted_at IS NULL ORDER BY filename", path
)
183 def get_file_by_path(self
, path
):
184 path
, filename
= os
.path
.dirname(path
), os
.path
.basename(path
)
186 return self
._get
_file
("SELECT * FROM wiki_files \
187 WHERE path = %s AND filename = %s AND deleted_at IS NULL", path
, filename
)
189 def upload(self
, path
, filename
, data
, mimetype
, author
, address
):
190 # Upload the blob first
191 blob
= self
.db
.get("INSERT INTO wiki_blobs(data) VALUES(%s) RETURNING id", data
)
193 # Create entry for file
194 return self
._get
_file
("INSERT INTO wiki_files(path, filename, author_uid, address, \
195 mimetype, blob_id, size) VALUES(%s, %s, %s, %s, %s, %s, %s) RETURNING *", path
,
196 filename
, author
.uid
, address
, mimetype
, blob
.id, len(data
))
198 def find_image(self
, path
, filename
):
199 for p
in (path
, os
.path
.dirname(path
)):
200 file = self
.get_file_by_path(os
.path
.join(p
, filename
))
202 if file and file.is_image():
206 class Page(misc
.Object
):
208 wiki_link
= re
.compile(r
"\[\[([\w\d\/\-\.]+)(?:\|(.+?))?\]\]")
211 external_link
= re
.compile(r
"\[\[((?:ftp|git|https?|rsync|sftp|ssh|webcal)\:\/\/.+?)(?:\|(.+?))\]\]")
213 # Interwiki links e.g. [[wp>IPFire]]
214 interwiki_link
= re
.compile(r
"\[\[(\w+)>(.+?)(?:\|(.+?))?\]\]")
217 email_link
= re
.compile(r
"\[\[([a-zA-Z0-9_.+-]+@[a-zA-Z0-9-]+\.[a-zA-Z0-9-.]+)(?:\|(.+?))?\]\]")
219 def init(self
, id, data
=None):
224 return "<%s %s %s>" % (self
.__class
__.__name
__, self
.page
, self
.timestamp
)
226 def __eq__(self
, other
):
227 if isinstance(other
, self
.__class
__):
228 return self
.id == other
.id
230 def __lt__(self
, other
):
231 if isinstance(other
, self
.__class
__):
232 if self
.page
== other
.page
:
233 return self
.timestamp
< other
.timestamp
235 return self
.page
< other
.page
238 def sanitise_page_name(page
):
242 # Make sure that the page name does NOT end with a /
243 if page
.endswith("/"):
246 # Make sure the page name starts with a /
247 if not page
.startswith("/"):
250 # Remove any double slashes
251 page
= page
.replace("//", "/")
261 return "https://wiki.ipfire.org%s" % self
.url
265 return self
.data
.page
269 return self
._title
or os
.path
.basename(self
.page
[1:])
273 if not self
.markdown
:
276 # Find first H1 headline in markdown
277 markdown
= self
.markdown
.splitlines()
279 m
= re
.match(r
"^# (.*)( #)?$", markdown
[0])
285 if self
.data
.author_uid
:
286 return self
.backend
.accounts
.get_by_uid(self
.data
.author_uid
)
288 def _render_wiki_link(self
, m
):
289 path
, alias
= m
.groups()
291 # Allow relative links
292 if not path
.startswith("/"):
293 path
= os
.path
.join(self
.page
, path
)
296 path
= os
.path
.normpath(path
)
298 return """<a href="%s">%s</a>""" % (
300 alias
or self
.backend
.wiki
.get_page_title(path
),
303 def _render_external_link(self
, m
):
304 url
, alias
= m
.groups()
306 return """<a class="link-external" href="%s">%s</a>""" % (url
, alias
or url
)
308 def _render_interwiki_link(self
, m
):
315 url
, repl
, icon
= INTERWIKIS
[wiki
]
317 logging
.warning("Invalid interwiki: %s" % wiki
)
326 "url" : urllib
.parse
.quote(name
),
329 # Get alias (if present)
332 if not alias
and repl
:
335 # Put everything together
339 s
.append("<span class=\"%s\"></span>" % icon
)
341 s
.append("""<a class="link-external" href="%s">%s</a>""" % (url
, alias
or name
))
345 def _render_email_link(self
, m
):
346 address
, alias
= m
.groups()
348 return """<a class="link-external" href="mailto:%s">%s</a>""" \
349 % (address
, alias
or address
)
351 def _render(self
, text
):
352 logging
.debug("Rendering %s" % self
)
356 for match
in re
.finditer(r
"!\[(.*?)\]\((.*?)\)", text
):
357 alt_text
, url
= match
.groups()
359 # Skip any absolute and external URLs
360 if url
.startswith("/") or url
.startswith("https://") or url
.startswith("http://"):
363 # Try to split query string
364 url
, delimiter
, qs
= url
.partition("?")
366 # Parse query arguments
367 args
= urllib
.parse
.parse_qs(qs
)
370 file = self
.backend
.wiki
.find_image(self
.page
, url
)
374 # Scale down the image if not already done
379 url
= "%s?%s" % (file.url
, urllib
.parse
.urlencode(args
))
381 replacements
.append((match
.span(), file, alt_text
, url
))
383 # Apply all replacements
384 for (start
, end
), file, alt_text
, url
in reversed(replacements
):
385 text
= text
[:start
] + "[![%s](%s)](%s?action=detail)" % (alt_text
, url
, file.url
) + text
[end
:]
388 text
= self
.wiki_link
.sub(self
._render
_wiki
_link
, text
)
390 # Handle interwiki links
391 text
= self
.interwiki_link
.sub(self
._render
_interwiki
_link
, text
)
393 # Handle external links
394 text
= self
.external_link
.sub(self
._render
_external
_link
, text
)
397 text
= self
.email_link
.sub(self
._render
_email
_link
, text
)
399 # Borrow this from the blog
400 return self
.backend
.blog
._render
_text
(text
, lang
="markdown")
404 return self
.data
.markdown
or ""
408 return self
._render
(self
.markdown
)
412 return self
.data
.timestamp
414 def was_deleted(self
):
415 return self
.markdown
is None
418 def breadcrumbs(self
):
419 return self
.backend
.wiki
.make_breadcrumbs(self
.page
)
421 def get_latest_revision(self
):
422 revisions
= self
.get_revisions()
424 # Return first object
425 for rev
in revisions
:
428 def get_revisions(self
):
429 return self
.backend
.wiki
._get
_pages
("SELECT * FROM wiki \
430 WHERE page = %s ORDER BY timestamp DESC", self
.page
)
433 def previous_revision(self
):
434 return self
.backend
.wiki
._get
_page
("SELECT * FROM wiki \
435 WHERE page = %s AND timestamp < %s ORDER BY timestamp DESC \
436 LIMIT 1", self
.page
, self
.timestamp
)
440 return self
.data
.changes
444 def check_acl(self
, account
):
445 return self
.backend
.wiki
.check_acl(self
.page
, account
)
451 parts
= self
.page
.split("/")
454 sidebar
= self
.backend
.wiki
.get_page("%s/sidebar" % os
.path
.join(*parts
))
464 if self
.previous_revision
:
465 diff
= difflib
.unified_diff(
466 self
.previous_revision
.markdown
.splitlines(),
467 self
.markdown
.splitlines(),
470 return "\n".join(diff
)
474 res
= self
.db
.query("SELECT uid FROM wiki_watchlist \
475 WHERE page = %s", self
.page
)
478 # Search for account by UID and skip if none was found
479 account
= self
.backend
.accounts
.get_by_uid(row
.uid
)
486 def is_watched_by(self
, account
):
487 res
= self
.db
.get("SELECT 1 FROM wiki_watchlist \
488 WHERE page = %s AND uid = %s", self
.page
, account
.uid
)
495 def add_watcher(self
, account
):
496 if self
.is_watched_by(account
):
499 self
.db
.execute("INSERT INTO wiki_watchlist(page, uid) \
500 VALUES(%s, %s)", self
.page
, account
.uid
)
502 def remove_watcher(self
, account
):
503 self
.db
.execute("DELETE FROM wiki_watchlist \
504 WHERE page = %s AND uid = %s", self
.page
, account
.uid
)
506 def _send_watcher_emails(self
, excludes
=[]):
507 # Nothing to do if there was no previous revision
508 if not self
.previous_revision
:
511 for watcher
in self
.watchers
:
512 # Skip everyone who is excluded
513 if watcher
in excludes
:
514 logging
.debug("Excluding %s" % watcher
)
517 logging
.debug("Sending watcher email to %s" % watcher
)
520 self
.backend
.messages
.send_template("wiki/messages/page-changed",
521 recipients
=[watcher
], page
=self
, priority
=-10)
524 class File(misc
.Object
):
525 def init(self
, id, data
):
531 return os
.path
.join(self
.path
, self
.filename
)
535 return self
.data
.path
539 return self
.data
.filename
543 return self
.data
.mimetype
547 return self
.data
.size
551 if self
.data
.author_uid
:
552 return self
.backend
.accounts
.get_by_uid(self
.data
.author_uid
)
555 def created_at(self
):
556 return self
.data
.created_at
559 return self
.mimetype
in ("application/pdf", "application/x-pdf")
562 return self
.mimetype
.startswith("image/")
566 res
= self
.db
.get("SELECT data FROM wiki_blobs \
567 WHERE id = %s", self
.data
.blob_id
)
570 return bytes(res
.data
)
572 def get_thumbnail(self
, size
):
573 cache_key
= "-".join((self
.path
, util
.normalize(self
.filename
), self
.created_at
.isoformat(), "%spx" % size
))
575 # Try to fetch the data from the cache
576 thumbnail
= self
.memcache
.get(cache_key
)
580 # Generate the thumbnail
581 thumbnail
= util
.generate_thumbnail(self
.blob
, size
)
583 # Put it into the cache for forever
584 self
.memcache
.set(cache_key
, thumbnail
)