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Commit | Line | Data |
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181d08f3 MT |
1 | #!/usr/bin/python3 |
2 | ||
4ed1dadb | 3 | import difflib |
181d08f3 | 4 | import logging |
6ac7e934 | 5 | import os.path |
181d08f3 | 6 | import re |
9e90e800 | 7 | import urllib.parse |
181d08f3 MT |
8 | |
9 | from . import misc | |
9523790a | 10 | from . import util |
181d08f3 MT |
11 | from .decorators import * |
12 | ||
181d08f3 MT |
13 | class Wiki(misc.Object): |
14 | def _get_pages(self, query, *args): | |
15 | res = self.db.query(query, *args) | |
16 | ||
17 | for row in res: | |
18 | yield Page(self.backend, row.id, data=row) | |
19 | ||
d398ca08 MT |
20 | def _get_page(self, query, *args): |
21 | res = self.db.get(query, *args) | |
22 | ||
23 | if res: | |
24 | return Page(self.backend, res.id, data=res) | |
25 | ||
c78ad26e MT |
26 | def make_path(self, page, path): |
27 | # Nothing to do for absolute links | |
28 | if path.startswith("/"): | |
29 | pass | |
30 | ||
31 | # Relative links (one-level down) | |
32 | elif path.startswith("./"): | |
33 | path = os.path.join(page, path) | |
34 | ||
35 | # All other relative links | |
36 | else: | |
37 | p = os.path.dirname(page) | |
38 | path = os.path.join(p, path) | |
39 | ||
40 | # Normalise links | |
41 | return os.path.normpath(path) | |
42 | ||
9ff59d70 MT |
43 | def page_exists(self, path): |
44 | page = self.get_page(path) | |
45 | ||
46 | # Page must have been found and not deleted | |
47 | return page and not page.was_deleted() | |
48 | ||
6ac7e934 | 49 | def get_page_title(self, page, default=None): |
50c8dc11 MT |
50 | # Try to retrieve title from cache |
51 | title = self.memcache.get("wiki:title:%s" % page) | |
52 | if title: | |
53 | return title | |
54 | ||
55 | # If the title has not been in the cache, we will | |
56 | # have to look it up | |
6ac7e934 MT |
57 | doc = self.get_page(page) |
58 | if doc: | |
50c8dc11 MT |
59 | title = doc.title |
60 | else: | |
61 | title = os.path.basename(page) | |
6ac7e934 | 62 | |
50c8dc11 MT |
63 | # Save in cache for forever |
64 | self.memcache.set("wiki:title:%s" % page, title) | |
65 | ||
66 | return title | |
6ac7e934 | 67 | |
181d08f3 MT |
68 | def get_page(self, page, revision=None): |
69 | page = Page.sanitise_page_name(page) | |
70 | assert page | |
71 | ||
72 | if revision: | |
d398ca08 | 73 | return self._get_page("SELECT * FROM wiki WHERE page = %s \ |
181d08f3 MT |
74 | AND timestamp = %s", page, revision) |
75 | else: | |
d398ca08 | 76 | return self._get_page("SELECT * FROM wiki WHERE page = %s \ |
181d08f3 MT |
77 | ORDER BY timestamp DESC LIMIT 1", page) |
78 | ||
11afe905 MT |
79 | def get_recent_changes(self, account, limit=None): |
80 | pages = self._get_pages("SELECT * FROM wiki \ | |
11afe905 MT |
81 | ORDER BY timestamp DESC") |
82 | ||
83 | for page in pages: | |
84 | if not page.check_acl(account): | |
85 | continue | |
86 | ||
87 | yield page | |
88 | ||
89 | limit -= 1 | |
90 | if not limit: | |
91 | break | |
181d08f3 | 92 | |
495e9dc4 | 93 | def create_page(self, page, author, content, changes=None, address=None): |
181d08f3 MT |
94 | page = Page.sanitise_page_name(page) |
95 | ||
aba5e58a MT |
96 | # Write page to the database |
97 | page = self._get_page("INSERT INTO wiki(page, author_uid, markdown, changes, address) \ | |
df01767e | 98 | VALUES(%s, %s, %s, %s, %s) RETURNING *", page, author.uid, content or None, changes, address) |
181d08f3 | 99 | |
50c8dc11 | 100 | # Update cache |
980e486d | 101 | self.memcache.set("wiki:title:%s" % page.page, page.title) |
50c8dc11 | 102 | |
aba5e58a MT |
103 | # Send email to all watchers |
104 | page._send_watcher_emails(excludes=[author]) | |
105 | ||
106 | return page | |
107 | ||
495e9dc4 | 108 | def delete_page(self, page, author, **kwargs): |
181d08f3 MT |
109 | # Do nothing if the page does not exist |
110 | if not self.get_page(page): | |
111 | return | |
112 | ||
113 | # Just creates a blank last version of the page | |
495e9dc4 | 114 | self.create_page(page, author=author, content=None, **kwargs) |
181d08f3 | 115 | |
3168788e MT |
116 | def make_breadcrumbs(self, url): |
117 | # Split and strip all empty elements (double slashes) | |
181d08f3 MT |
118 | parts = list(e for e in url.split("/") if e) |
119 | ||
3168788e | 120 | ret = [] |
b1bf7d48 | 121 | for part in ("/".join(parts[:i]) for i in range(1, len(parts))): |
3168788e | 122 | ret.append(("/%s" % part, self.get_page_title(part, os.path.basename(part)))) |
181d08f3 | 123 | |
3168788e | 124 | return ret |
181d08f3 | 125 | |
11afe905 | 126 | def search(self, query, account=None, limit=None): |
9523790a MT |
127 | res = self._get_pages("SELECT wiki.* FROM wiki_search_index search_index \ |
128 | LEFT JOIN wiki ON search_index.wiki_id = wiki.id \ | |
22e56c4a MT |
129 | WHERE search_index.document @@ websearch_to_tsquery('english', %s) \ |
130 | ORDER BY ts_rank(search_index.document, websearch_to_tsquery('english', %s)) DESC", | |
11afe905 | 131 | query, query) |
9523790a | 132 | |
df80be2c | 133 | pages = [] |
11afe905 MT |
134 | for page in res: |
135 | # Skip any pages the user doesn't have permission for | |
136 | if not page.check_acl(account): | |
137 | continue | |
138 | ||
139 | # Return any other pages | |
df80be2c | 140 | pages.append(page) |
11afe905 | 141 | |
df80be2c MT |
142 | # Break when we have found enough pages |
143 | if limit and len(pages) >= limit: | |
11afe905 | 144 | break |
9523790a | 145 | |
df80be2c MT |
146 | return pages |
147 | ||
9523790a MT |
148 | def refresh(self): |
149 | """ | |
150 | Needs to be called after a page has been changed | |
151 | """ | |
152 | self.db.execute("REFRESH MATERIALIZED VIEW wiki_search_index") | |
153 | ||
2f23c558 MT |
154 | def get_watchlist(self, account): |
155 | pages = self._get_pages( | |
156 | "WITH pages AS (SELECT * FROM wiki_current \ | |
157 | LEFT JOIN wiki ON wiki_current.id = wiki.id) \ | |
158 | SELECT * FROM wiki_watchlist watchlist \ | |
159 | LEFT JOIN pages ON watchlist.page = pages.page \ | |
160 | WHERE watchlist.uid = %s", | |
161 | account.uid, | |
162 | ) | |
163 | ||
164 | return sorted(pages) | |
165 | ||
11afe905 MT |
166 | # ACL |
167 | ||
168 | def check_acl(self, page, account): | |
169 | res = self.db.query("SELECT * FROM wiki_acls \ | |
170 | WHERE %s ILIKE (path || '%%') ORDER BY LENGTH(path) DESC LIMIT 1", page) | |
171 | ||
172 | for row in res: | |
173 | # Access not permitted when user is not logged in | |
174 | if not account: | |
175 | return False | |
176 | ||
177 | # If user is in a matching group, we grant permission | |
178 | for group in row.groups: | |
93402e56 | 179 | if account.is_member_of_group(group): |
11afe905 MT |
180 | return True |
181 | ||
182 | # Otherwise access is not permitted | |
183 | return False | |
184 | ||
185 | # If no ACLs are found, we permit access | |
186 | return True | |
187 | ||
f2cfd873 MT |
188 | # Files |
189 | ||
190 | def _get_files(self, query, *args): | |
191 | res = self.db.query(query, *args) | |
192 | ||
193 | for row in res: | |
194 | yield File(self.backend, row.id, data=row) | |
195 | ||
196 | def _get_file(self, query, *args): | |
197 | res = self.db.get(query, *args) | |
198 | ||
199 | if res: | |
200 | return File(self.backend, res.id, data=res) | |
201 | ||
202 | def get_files(self, path): | |
203 | files = self._get_files("SELECT * FROM wiki_files \ | |
204 | WHERE path = %s AND deleted_at IS NULL ORDER BY filename", path) | |
205 | ||
206 | return list(files) | |
207 | ||
ff14dea3 | 208 | def get_file_by_path(self, path, revision=None): |
f2cfd873 MT |
209 | path, filename = os.path.dirname(path), os.path.basename(path) |
210 | ||
ff14dea3 MT |
211 | if revision: |
212 | # Fetch a specific revision | |
213 | return self._get_file("SELECT * FROM wiki_files \ | |
214 | WHERE path = %s AND filename = %s AND created_at <= %s \ | |
215 | ORDER BY created_at DESC LIMIT 1", path, filename, revision) | |
216 | ||
217 | # Fetch latest version | |
218 | return self._get_file("SELECT * FROM wiki_files \ | |
219 | WHERE path = %s AND filename = %s AND deleted_at IS NULL", | |
220 | path, filename) | |
221 | ||
222 | def get_file_by_path_and_filename(self, path, filename): | |
f2cfd873 | 223 | return self._get_file("SELECT * FROM wiki_files \ |
ff14dea3 MT |
224 | WHERE path = %s AND filename = %s AND deleted_at IS NULL", |
225 | path, filename) | |
f2cfd873 MT |
226 | |
227 | def upload(self, path, filename, data, mimetype, author, address): | |
ff14dea3 MT |
228 | # Replace any existing files |
229 | file = self.get_file_by_path_and_filename(path, filename) | |
230 | if file: | |
231 | file.delete(author) | |
232 | ||
f2cfd873 | 233 | # Upload the blob first |
a3a8a163 MT |
234 | blob = self.db.get("INSERT INTO wiki_blobs(data) VALUES(%s) \ |
235 | ON CONFLICT (digest(data, %s)) DO UPDATE SET data = EXCLUDED.data \ | |
236 | RETURNING id", data, "MD5") | |
f2cfd873 MT |
237 | |
238 | # Create entry for file | |
239 | return self._get_file("INSERT INTO wiki_files(path, filename, author_uid, address, \ | |
240 | mimetype, blob_id, size) VALUES(%s, %s, %s, %s, %s, %s, %s) RETURNING *", path, | |
241 | filename, author.uid, address, mimetype, blob.id, len(data)) | |
242 | ||
2901b734 MT |
243 | def render(self, path, text): |
244 | r = WikiRenderer(self.backend, path) | |
181d08f3 | 245 | |
2901b734 | 246 | return r.render(text) |
e2205cff | 247 | |
154f6179 | 248 | |
2901b734 | 249 | class Page(misc.Object): |
181d08f3 MT |
250 | def init(self, id, data=None): |
251 | self.id = id | |
252 | self.data = data | |
253 | ||
dc847af5 MT |
254 | def __repr__(self): |
255 | return "<%s %s %s>" % (self.__class__.__name__, self.page, self.timestamp) | |
256 | ||
c21ffadb MT |
257 | def __eq__(self, other): |
258 | if isinstance(other, self.__class__): | |
259 | return self.id == other.id | |
260 | ||
181d08f3 MT |
261 | def __lt__(self, other): |
262 | if isinstance(other, self.__class__): | |
263 | if self.page == other.page: | |
264 | return self.timestamp < other.timestamp | |
265 | ||
266 | return self.page < other.page | |
267 | ||
268 | @staticmethod | |
269 | def sanitise_page_name(page): | |
270 | if not page: | |
271 | return "/" | |
272 | ||
273 | # Make sure that the page name does NOT end with a / | |
274 | if page.endswith("/"): | |
275 | page = page[:-1] | |
276 | ||
277 | # Make sure the page name starts with a / | |
278 | if not page.startswith("/"): | |
279 | page = "/%s" % page | |
280 | ||
281 | # Remove any double slashes | |
282 | page = page.replace("//", "/") | |
283 | ||
284 | return page | |
285 | ||
286 | @property | |
287 | def url(self): | |
db8448d9 | 288 | return self.page |
181d08f3 | 289 | |
4ed1dadb MT |
290 | @property |
291 | def full_url(self): | |
292 | return "https://wiki.ipfire.org%s" % self.url | |
293 | ||
181d08f3 MT |
294 | @property |
295 | def page(self): | |
296 | return self.data.page | |
297 | ||
298 | @property | |
299 | def title(self): | |
51e7a876 | 300 | return self._title or os.path.basename(self.page[1:]) |
181d08f3 MT |
301 | |
302 | @property | |
303 | def _title(self): | |
304 | if not self.markdown: | |
305 | return | |
306 | ||
307 | # Find first H1 headline in markdown | |
308 | markdown = self.markdown.splitlines() | |
309 | ||
0074e919 | 310 | m = re.match(r"^#\s*(.*)( #)?$", markdown[0]) |
181d08f3 MT |
311 | if m: |
312 | return m.group(1) | |
313 | ||
3b05ef6e MT |
314 | @lazy_property |
315 | def author(self): | |
316 | if self.data.author_uid: | |
317 | return self.backend.accounts.get_by_uid(self.data.author_uid) | |
318 | ||
181d08f3 MT |
319 | @property |
320 | def markdown(self): | |
c21ffadb | 321 | return self.data.markdown or "" |
181d08f3 MT |
322 | |
323 | @property | |
324 | def html(self): | |
2901b734 | 325 | return self.backend.wiki.render(self.page, self.markdown) |
addc18d5 | 326 | |
181d08f3 MT |
327 | @property |
328 | def timestamp(self): | |
329 | return self.data.timestamp | |
330 | ||
331 | def was_deleted(self): | |
4c13230c | 332 | return not self.markdown |
181d08f3 MT |
333 | |
334 | @lazy_property | |
335 | def breadcrumbs(self): | |
336 | return self.backend.wiki.make_breadcrumbs(self.page) | |
337 | ||
d4c68c5c MT |
338 | def is_latest_revision(self): |
339 | return self.get_latest_revision() == self | |
340 | ||
181d08f3 | 341 | def get_latest_revision(self): |
7d699684 MT |
342 | revisions = self.get_revisions() |
343 | ||
344 | # Return first object | |
345 | for rev in revisions: | |
346 | return rev | |
347 | ||
348 | def get_revisions(self): | |
349 | return self.backend.wiki._get_pages("SELECT * FROM wiki \ | |
350 | WHERE page = %s ORDER BY timestamp DESC", self.page) | |
091ac36b | 351 | |
c21ffadb MT |
352 | @lazy_property |
353 | def previous_revision(self): | |
354 | return self.backend.wiki._get_page("SELECT * FROM wiki \ | |
355 | WHERE page = %s AND timestamp < %s ORDER BY timestamp DESC \ | |
356 | LIMIT 1", self.page, self.timestamp) | |
357 | ||
d398ca08 MT |
358 | @property |
359 | def changes(self): | |
360 | return self.data.changes | |
361 | ||
11afe905 MT |
362 | # ACL |
363 | ||
364 | def check_acl(self, account): | |
365 | return self.backend.wiki.check_acl(self.page, account) | |
366 | ||
091ac36b MT |
367 | # Sidebar |
368 | ||
369 | @lazy_property | |
370 | def sidebar(self): | |
371 | parts = self.page.split("/") | |
372 | ||
373 | while parts: | |
3cc5f666 | 374 | sidebar = self.backend.wiki.get_page("%s/sidebar" % os.path.join(*parts)) |
091ac36b MT |
375 | if sidebar: |
376 | return sidebar | |
377 | ||
378 | parts.pop() | |
f2cfd873 | 379 | |
d64a1e35 MT |
380 | # Watchers |
381 | ||
4ed1dadb MT |
382 | @lazy_property |
383 | def diff(self): | |
384 | if self.previous_revision: | |
385 | diff = difflib.unified_diff( | |
386 | self.previous_revision.markdown.splitlines(), | |
387 | self.markdown.splitlines(), | |
388 | ) | |
389 | ||
390 | return "\n".join(diff) | |
391 | ||
aba5e58a MT |
392 | @property |
393 | def watchers(self): | |
394 | res = self.db.query("SELECT uid FROM wiki_watchlist \ | |
395 | WHERE page = %s", self.page) | |
396 | ||
397 | for row in res: | |
398 | # Search for account by UID and skip if none was found | |
399 | account = self.backend.accounts.get_by_uid(row.uid) | |
400 | if not account: | |
401 | continue | |
402 | ||
403 | # Return the account | |
404 | yield account | |
405 | ||
f2e25ded | 406 | def is_watched_by(self, account): |
d64a1e35 MT |
407 | res = self.db.get("SELECT 1 FROM wiki_watchlist \ |
408 | WHERE page = %s AND uid = %s", self.page, account.uid) | |
409 | ||
410 | if res: | |
411 | return True | |
412 | ||
413 | return False | |
414 | ||
415 | def add_watcher(self, account): | |
f2e25ded | 416 | if self.is_watched_by(account): |
d64a1e35 MT |
417 | return |
418 | ||
419 | self.db.execute("INSERT INTO wiki_watchlist(page, uid) \ | |
420 | VALUES(%s, %s)", self.page, account.uid) | |
421 | ||
422 | def remove_watcher(self, account): | |
423 | self.db.execute("DELETE FROM wiki_watchlist \ | |
424 | WHERE page = %s AND uid = %s", self.page, account.uid) | |
425 | ||
aba5e58a MT |
426 | def _send_watcher_emails(self, excludes=[]): |
427 | # Nothing to do if there was no previous revision | |
428 | if not self.previous_revision: | |
429 | return | |
430 | ||
431 | for watcher in self.watchers: | |
432 | # Skip everyone who is excluded | |
433 | if watcher in excludes: | |
434 | logging.debug("Excluding %s" % watcher) | |
435 | continue | |
436 | ||
516da0a9 MT |
437 | # Check permissions |
438 | if not self.backend.wiki.check_acl(self.page, watcher): | |
439 | logging.debug("Watcher %s does not have permissions" % watcher) | |
440 | continue | |
441 | ||
aba5e58a MT |
442 | logging.debug("Sending watcher email to %s" % watcher) |
443 | ||
4ed1dadb MT |
444 | # Compose message |
445 | self.backend.messages.send_template("wiki/messages/page-changed", | |
ba14044c | 446 | account=watcher, page=self, priority=-10) |
aba5e58a | 447 | |
d4c68c5c MT |
448 | def restore(self, author, address): |
449 | changes = "Restore to revision from %s" % self.timestamp.isoformat() | |
450 | ||
451 | return self.backend.wiki.create_page(self.page, | |
452 | author, self.markdown, changes=changes, address=address) | |
453 | ||
f2cfd873 MT |
454 | |
455 | class File(misc.Object): | |
456 | def init(self, id, data): | |
457 | self.id = id | |
458 | self.data = data | |
459 | ||
ff14dea3 MT |
460 | def __eq__(self, other): |
461 | if isinstance(other, self.__class__): | |
462 | return self.id == other.id | |
463 | ||
f2cfd873 MT |
464 | @property |
465 | def url(self): | |
466 | return os.path.join(self.path, self.filename) | |
467 | ||
468 | @property | |
469 | def path(self): | |
470 | return self.data.path | |
471 | ||
472 | @property | |
473 | def filename(self): | |
474 | return self.data.filename | |
475 | ||
476 | @property | |
477 | def mimetype(self): | |
478 | return self.data.mimetype | |
479 | ||
480 | @property | |
481 | def size(self): | |
482 | return self.data.size | |
483 | ||
8cb0bea4 MT |
484 | @lazy_property |
485 | def author(self): | |
486 | if self.data.author_uid: | |
487 | return self.backend.accounts.get_by_uid(self.data.author_uid) | |
488 | ||
489 | @property | |
490 | def created_at(self): | |
491 | return self.data.created_at | |
492 | ||
b26c705a MT |
493 | def delete(self, author=None): |
494 | self.db.execute("UPDATE wiki_files SET deleted_at = NOW(), deleted_by = %s \ | |
495 | WHERE id = %s", author.uid if author else None, self.id) | |
ff14dea3 MT |
496 | |
497 | @property | |
498 | def deleted_at(self): | |
499 | return self.data.deleted_at | |
500 | ||
501 | def get_latest_revision(self): | |
502 | revisions = self.get_revisions() | |
503 | ||
504 | # Return first object | |
505 | for rev in revisions: | |
506 | return rev | |
507 | ||
508 | def get_revisions(self): | |
509 | revisions = self.backend.wiki._get_files("SELECT * FROM wiki_files \ | |
510 | WHERE path = %s ORDER BY created_at DESC", self.path) | |
511 | ||
512 | return list(revisions) | |
513 | ||
8cb0bea4 MT |
514 | def is_pdf(self): |
515 | return self.mimetype in ("application/pdf", "application/x-pdf") | |
516 | ||
f2cfd873 MT |
517 | def is_image(self): |
518 | return self.mimetype.startswith("image/") | |
519 | ||
520 | @lazy_property | |
521 | def blob(self): | |
522 | res = self.db.get("SELECT data FROM wiki_blobs \ | |
523 | WHERE id = %s", self.data.blob_id) | |
524 | ||
525 | if res: | |
526 | return bytes(res.data) | |
79dd9a0f MT |
527 | |
528 | def get_thumbnail(self, size): | |
75d9b3da MT |
529 | cache_key = "-".join((self.path, util.normalize(self.filename), self.created_at.isoformat(), "%spx" % size)) |
530 | ||
531 | # Try to fetch the data from the cache | |
532 | thumbnail = self.memcache.get(cache_key) | |
533 | if thumbnail: | |
534 | return thumbnail | |
535 | ||
536 | # Generate the thumbnail | |
5ef115cd | 537 | thumbnail = util.generate_thumbnail(self.blob, size) |
75d9b3da MT |
538 | |
539 | # Put it into the cache for forever | |
540 | self.memcache.set(cache_key, thumbnail) | |
541 | ||
542 | return thumbnail | |
2901b734 MT |
543 | |
544 | ||
545 | class WikiRenderer(misc.Object): | |
4ddad3e5 MT |
546 | schemas = ( |
547 | "ftp://", | |
548 | "git://", | |
549 | "http://", | |
550 | "https://", | |
551 | "rsync://", | |
552 | "sftp://", | |
553 | "ssh://", | |
554 | "webcal://", | |
555 | ) | |
556 | ||
557 | # Links | |
558 | links = re.compile(r"<a href=\"(.*?)\">(.*?)</a>") | |
2901b734 | 559 | |
c78ad26e | 560 | # Images |
e9c6d581 | 561 | images = re.compile(r"<img alt(?:=\"(.*?)\")? src=\"(.*?)\" (?:title=\"(.*?)\" )?/>") |
c78ad26e | 562 | |
2901b734 MT |
563 | def init(self, path): |
564 | self.path = path | |
565 | ||
4ddad3e5 MT |
566 | def _render_link(self, m): |
567 | url, text = m.groups() | |
2901b734 | 568 | |
4ddad3e5 MT |
569 | # Emails |
570 | if "@" in url: | |
571 | # Strip mailto: | |
572 | if url.startswith("mailto:"): | |
573 | url = url[7:] | |
2901b734 | 574 | |
4ddad3e5 MT |
575 | return """<a class="link-external" href="mailto:%s">%s</a>""" % \ |
576 | (url, text or url) | |
2901b734 | 577 | |
4ddad3e5 MT |
578 | # External Links |
579 | for schema in self.schemas: | |
580 | if url.startswith(schema): | |
581 | return """<a class="link-external" href="%s">%s</a>""" % \ | |
582 | (url, text or url) | |
2901b734 | 583 | |
4ddad3e5 MT |
584 | # Everything else must be an internal link |
585 | path = self.backend.wiki.make_path(self.path, url) | |
2901b734 | 586 | |
4ddad3e5 MT |
587 | return """<a href="%s">%s</a>""" % \ |
588 | (path, text or self.backend.wiki.get_page_title(path)) | |
2901b734 | 589 | |
c78ad26e | 590 | def _render_image(self, m): |
e9c6d581 | 591 | alt_text, url, caption = m.groups() |
2901b734 | 592 | |
c78ad26e MT |
593 | # Skip any absolute and external URLs |
594 | if url.startswith("/") or url.startswith("https://") or url.startswith("http://"): | |
fa8c5edd MT |
595 | return """<figure class="figure"><img src="%s" class="figure-img img-fluid rounded" alt="%s"> |
596 | <figcaption class="figure-caption">%s</figcaption></figure> | |
9881e9ef | 597 | """ % (url, alt_text, caption or "") |
2901b734 | 598 | |
c78ad26e MT |
599 | # Try to split query string |
600 | url, delimiter, qs = url.partition("?") | |
2901b734 | 601 | |
c78ad26e MT |
602 | # Parse query arguments |
603 | args = urllib.parse.parse_qs(qs) | |
2901b734 | 604 | |
c78ad26e MT |
605 | # Build absolute path |
606 | url = self.backend.wiki.make_path(self.path, url) | |
2901b734 | 607 | |
c78ad26e MT |
608 | # Find image |
609 | file = self.backend.wiki.get_file_by_path(url) | |
610 | if not file or not file.is_image(): | |
611 | return "<!-- Could not find image %s in %s -->" % (url, self.path) | |
2901b734 | 612 | |
c78ad26e MT |
613 | # Scale down the image if not already done |
614 | if not "s" in args: | |
9ce45afb | 615 | args["s"] = "920" |
2901b734 | 616 | |
fa8c5edd MT |
617 | return """<figure class="figure"><img src="%s?%s" class="figure-img img-fluid rounded" alt="%s"> |
618 | <figcaption class="figure-caption">%s</figcaption></figure> | |
619 | """ % (url, urllib.parse.urlencode(args), caption, caption or "") | |
2901b734 | 620 | |
c78ad26e MT |
621 | def render(self, text): |
622 | logging.debug("Rendering %s" % self.path) | |
2901b734 | 623 | |
9881e9ef MT |
624 | # Borrow this from the blog |
625 | text = self.backend.blog._render_text(text, lang="markdown") | |
626 | ||
4ddad3e5 MT |
627 | # Postprocess links |
628 | text = self.links.sub(self._render_link, text) | |
629 | ||
9881e9ef | 630 | # Postprocess images to <figure> |
c78ad26e MT |
631 | text = self.images.sub(self._render_image, text) |
632 | ||
9881e9ef | 633 | return text |