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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 | query = util.parse_search_query(query) |
128 | ||
129 | res = self._get_pages("SELECT wiki.* FROM wiki_search_index search_index \ | |
130 | LEFT JOIN wiki ON search_index.wiki_id = wiki.id \ | |
131 | WHERE search_index.document @@ to_tsquery('english', %s) \ | |
11afe905 MT |
132 | ORDER BY ts_rank(search_index.document, to_tsquery('english', %s)) DESC", |
133 | query, query) | |
9523790a | 134 | |
df80be2c | 135 | pages = [] |
11afe905 MT |
136 | for page in res: |
137 | # Skip any pages the user doesn't have permission for | |
138 | if not page.check_acl(account): | |
139 | continue | |
140 | ||
141 | # Return any other pages | |
df80be2c | 142 | pages.append(page) |
11afe905 | 143 | |
df80be2c MT |
144 | # Break when we have found enough pages |
145 | if limit and len(pages) >= limit: | |
11afe905 | 146 | break |
9523790a | 147 | |
df80be2c MT |
148 | return pages |
149 | ||
9523790a MT |
150 | def refresh(self): |
151 | """ | |
152 | Needs to be called after a page has been changed | |
153 | """ | |
154 | self.db.execute("REFRESH MATERIALIZED VIEW wiki_search_index") | |
155 | ||
2f23c558 MT |
156 | def get_watchlist(self, account): |
157 | pages = self._get_pages( | |
158 | "WITH pages AS (SELECT * FROM wiki_current \ | |
159 | LEFT JOIN wiki ON wiki_current.id = wiki.id) \ | |
160 | SELECT * FROM wiki_watchlist watchlist \ | |
161 | LEFT JOIN pages ON watchlist.page = pages.page \ | |
162 | WHERE watchlist.uid = %s", | |
163 | account.uid, | |
164 | ) | |
165 | ||
166 | return sorted(pages) | |
167 | ||
11afe905 MT |
168 | # ACL |
169 | ||
170 | def check_acl(self, page, account): | |
171 | res = self.db.query("SELECT * FROM wiki_acls \ | |
172 | WHERE %s ILIKE (path || '%%') ORDER BY LENGTH(path) DESC LIMIT 1", page) | |
173 | ||
174 | for row in res: | |
175 | # Access not permitted when user is not logged in | |
176 | if not account: | |
177 | return False | |
178 | ||
179 | # If user is in a matching group, we grant permission | |
180 | for group in row.groups: | |
93402e56 | 181 | if account.is_member_of_group(group): |
11afe905 MT |
182 | return True |
183 | ||
184 | # Otherwise access is not permitted | |
185 | return False | |
186 | ||
187 | # If no ACLs are found, we permit access | |
188 | return True | |
189 | ||
f2cfd873 MT |
190 | # Files |
191 | ||
192 | def _get_files(self, query, *args): | |
193 | res = self.db.query(query, *args) | |
194 | ||
195 | for row in res: | |
196 | yield File(self.backend, row.id, data=row) | |
197 | ||
198 | def _get_file(self, query, *args): | |
199 | res = self.db.get(query, *args) | |
200 | ||
201 | if res: | |
202 | return File(self.backend, res.id, data=res) | |
203 | ||
204 | def get_files(self, path): | |
205 | files = self._get_files("SELECT * FROM wiki_files \ | |
206 | WHERE path = %s AND deleted_at IS NULL ORDER BY filename", path) | |
207 | ||
208 | return list(files) | |
209 | ||
ff14dea3 | 210 | def get_file_by_path(self, path, revision=None): |
f2cfd873 MT |
211 | path, filename = os.path.dirname(path), os.path.basename(path) |
212 | ||
ff14dea3 MT |
213 | if revision: |
214 | # Fetch a specific revision | |
215 | return self._get_file("SELECT * FROM wiki_files \ | |
216 | WHERE path = %s AND filename = %s AND created_at <= %s \ | |
217 | ORDER BY created_at DESC LIMIT 1", path, filename, revision) | |
218 | ||
219 | # Fetch latest version | |
220 | return self._get_file("SELECT * FROM wiki_files \ | |
221 | WHERE path = %s AND filename = %s AND deleted_at IS NULL", | |
222 | path, filename) | |
223 | ||
224 | def get_file_by_path_and_filename(self, path, filename): | |
f2cfd873 | 225 | return self._get_file("SELECT * FROM wiki_files \ |
ff14dea3 MT |
226 | WHERE path = %s AND filename = %s AND deleted_at IS NULL", |
227 | path, filename) | |
f2cfd873 MT |
228 | |
229 | def upload(self, path, filename, data, mimetype, author, address): | |
ff14dea3 MT |
230 | # Replace any existing files |
231 | file = self.get_file_by_path_and_filename(path, filename) | |
232 | if file: | |
233 | file.delete(author) | |
234 | ||
f2cfd873 | 235 | # Upload the blob first |
a3a8a163 MT |
236 | blob = self.db.get("INSERT INTO wiki_blobs(data) VALUES(%s) \ |
237 | ON CONFLICT (digest(data, %s)) DO UPDATE SET data = EXCLUDED.data \ | |
238 | RETURNING id", data, "MD5") | |
f2cfd873 MT |
239 | |
240 | # Create entry for file | |
241 | return self._get_file("INSERT INTO wiki_files(path, filename, author_uid, address, \ | |
242 | mimetype, blob_id, size) VALUES(%s, %s, %s, %s, %s, %s, %s) RETURNING *", path, | |
243 | filename, author.uid, address, mimetype, blob.id, len(data)) | |
244 | ||
2901b734 MT |
245 | def render(self, path, text): |
246 | r = WikiRenderer(self.backend, path) | |
181d08f3 | 247 | |
2901b734 | 248 | return r.render(text) |
e2205cff | 249 | |
154f6179 | 250 | |
2901b734 | 251 | class Page(misc.Object): |
181d08f3 MT |
252 | def init(self, id, data=None): |
253 | self.id = id | |
254 | self.data = data | |
255 | ||
dc847af5 MT |
256 | def __repr__(self): |
257 | return "<%s %s %s>" % (self.__class__.__name__, self.page, self.timestamp) | |
258 | ||
c21ffadb MT |
259 | def __eq__(self, other): |
260 | if isinstance(other, self.__class__): | |
261 | return self.id == other.id | |
262 | ||
181d08f3 MT |
263 | def __lt__(self, other): |
264 | if isinstance(other, self.__class__): | |
265 | if self.page == other.page: | |
266 | return self.timestamp < other.timestamp | |
267 | ||
268 | return self.page < other.page | |
269 | ||
270 | @staticmethod | |
271 | def sanitise_page_name(page): | |
272 | if not page: | |
273 | return "/" | |
274 | ||
275 | # Make sure that the page name does NOT end with a / | |
276 | if page.endswith("/"): | |
277 | page = page[:-1] | |
278 | ||
279 | # Make sure the page name starts with a / | |
280 | if not page.startswith("/"): | |
281 | page = "/%s" % page | |
282 | ||
283 | # Remove any double slashes | |
284 | page = page.replace("//", "/") | |
285 | ||
286 | return page | |
287 | ||
288 | @property | |
289 | def url(self): | |
db8448d9 | 290 | return self.page |
181d08f3 | 291 | |
4ed1dadb MT |
292 | @property |
293 | def full_url(self): | |
294 | return "https://wiki.ipfire.org%s" % self.url | |
295 | ||
181d08f3 MT |
296 | @property |
297 | def page(self): | |
298 | return self.data.page | |
299 | ||
300 | @property | |
301 | def title(self): | |
51e7a876 | 302 | return self._title or os.path.basename(self.page[1:]) |
181d08f3 MT |
303 | |
304 | @property | |
305 | def _title(self): | |
306 | if not self.markdown: | |
307 | return | |
308 | ||
309 | # Find first H1 headline in markdown | |
310 | markdown = self.markdown.splitlines() | |
311 | ||
0074e919 | 312 | m = re.match(r"^#\s*(.*)( #)?$", markdown[0]) |
181d08f3 MT |
313 | if m: |
314 | return m.group(1) | |
315 | ||
3b05ef6e MT |
316 | @lazy_property |
317 | def author(self): | |
318 | if self.data.author_uid: | |
319 | return self.backend.accounts.get_by_uid(self.data.author_uid) | |
320 | ||
181d08f3 MT |
321 | @property |
322 | def markdown(self): | |
c21ffadb | 323 | return self.data.markdown or "" |
181d08f3 MT |
324 | |
325 | @property | |
326 | def html(self): | |
2901b734 | 327 | return self.backend.wiki.render(self.page, self.markdown) |
addc18d5 | 328 | |
181d08f3 MT |
329 | @property |
330 | def timestamp(self): | |
331 | return self.data.timestamp | |
332 | ||
333 | def was_deleted(self): | |
4c13230c | 334 | return not self.markdown |
181d08f3 MT |
335 | |
336 | @lazy_property | |
337 | def breadcrumbs(self): | |
338 | return self.backend.wiki.make_breadcrumbs(self.page) | |
339 | ||
d4c68c5c MT |
340 | def is_latest_revision(self): |
341 | return self.get_latest_revision() == self | |
342 | ||
181d08f3 | 343 | def get_latest_revision(self): |
7d699684 MT |
344 | revisions = self.get_revisions() |
345 | ||
346 | # Return first object | |
347 | for rev in revisions: | |
348 | return rev | |
349 | ||
350 | def get_revisions(self): | |
351 | return self.backend.wiki._get_pages("SELECT * FROM wiki \ | |
352 | WHERE page = %s ORDER BY timestamp DESC", self.page) | |
091ac36b | 353 | |
c21ffadb MT |
354 | @lazy_property |
355 | def previous_revision(self): | |
356 | return self.backend.wiki._get_page("SELECT * FROM wiki \ | |
357 | WHERE page = %s AND timestamp < %s ORDER BY timestamp DESC \ | |
358 | LIMIT 1", self.page, self.timestamp) | |
359 | ||
d398ca08 MT |
360 | @property |
361 | def changes(self): | |
362 | return self.data.changes | |
363 | ||
11afe905 MT |
364 | # ACL |
365 | ||
366 | def check_acl(self, account): | |
367 | return self.backend.wiki.check_acl(self.page, account) | |
368 | ||
091ac36b MT |
369 | # Sidebar |
370 | ||
371 | @lazy_property | |
372 | def sidebar(self): | |
373 | parts = self.page.split("/") | |
374 | ||
375 | while parts: | |
3cc5f666 | 376 | sidebar = self.backend.wiki.get_page("%s/sidebar" % os.path.join(*parts)) |
091ac36b MT |
377 | if sidebar: |
378 | return sidebar | |
379 | ||
380 | parts.pop() | |
f2cfd873 | 381 | |
d64a1e35 MT |
382 | # Watchers |
383 | ||
4ed1dadb MT |
384 | @lazy_property |
385 | def diff(self): | |
386 | if self.previous_revision: | |
387 | diff = difflib.unified_diff( | |
388 | self.previous_revision.markdown.splitlines(), | |
389 | self.markdown.splitlines(), | |
390 | ) | |
391 | ||
392 | return "\n".join(diff) | |
393 | ||
aba5e58a MT |
394 | @property |
395 | def watchers(self): | |
396 | res = self.db.query("SELECT uid FROM wiki_watchlist \ | |
397 | WHERE page = %s", self.page) | |
398 | ||
399 | for row in res: | |
400 | # Search for account by UID and skip if none was found | |
401 | account = self.backend.accounts.get_by_uid(row.uid) | |
402 | if not account: | |
403 | continue | |
404 | ||
405 | # Return the account | |
406 | yield account | |
407 | ||
f2e25ded | 408 | def is_watched_by(self, account): |
d64a1e35 MT |
409 | res = self.db.get("SELECT 1 FROM wiki_watchlist \ |
410 | WHERE page = %s AND uid = %s", self.page, account.uid) | |
411 | ||
412 | if res: | |
413 | return True | |
414 | ||
415 | return False | |
416 | ||
417 | def add_watcher(self, account): | |
f2e25ded | 418 | if self.is_watched_by(account): |
d64a1e35 MT |
419 | return |
420 | ||
421 | self.db.execute("INSERT INTO wiki_watchlist(page, uid) \ | |
422 | VALUES(%s, %s)", self.page, account.uid) | |
423 | ||
424 | def remove_watcher(self, account): | |
425 | self.db.execute("DELETE FROM wiki_watchlist \ | |
426 | WHERE page = %s AND uid = %s", self.page, account.uid) | |
427 | ||
aba5e58a MT |
428 | def _send_watcher_emails(self, excludes=[]): |
429 | # Nothing to do if there was no previous revision | |
430 | if not self.previous_revision: | |
431 | return | |
432 | ||
433 | for watcher in self.watchers: | |
434 | # Skip everyone who is excluded | |
435 | if watcher in excludes: | |
436 | logging.debug("Excluding %s" % watcher) | |
437 | continue | |
438 | ||
516da0a9 MT |
439 | # Check permissions |
440 | if not self.backend.wiki.check_acl(self.page, watcher): | |
441 | logging.debug("Watcher %s does not have permissions" % watcher) | |
442 | continue | |
443 | ||
aba5e58a MT |
444 | logging.debug("Sending watcher email to %s" % watcher) |
445 | ||
4ed1dadb MT |
446 | # Compose message |
447 | self.backend.messages.send_template("wiki/messages/page-changed", | |
213e6929 | 448 | recipients=[watcher], page=self, priority=-10) |
aba5e58a | 449 | |
d4c68c5c MT |
450 | def restore(self, author, address): |
451 | changes = "Restore to revision from %s" % self.timestamp.isoformat() | |
452 | ||
453 | return self.backend.wiki.create_page(self.page, | |
454 | author, self.markdown, changes=changes, address=address) | |
455 | ||
f2cfd873 MT |
456 | |
457 | class File(misc.Object): | |
458 | def init(self, id, data): | |
459 | self.id = id | |
460 | self.data = data | |
461 | ||
ff14dea3 MT |
462 | def __eq__(self, other): |
463 | if isinstance(other, self.__class__): | |
464 | return self.id == other.id | |
465 | ||
f2cfd873 MT |
466 | @property |
467 | def url(self): | |
468 | return os.path.join(self.path, self.filename) | |
469 | ||
470 | @property | |
471 | def path(self): | |
472 | return self.data.path | |
473 | ||
474 | @property | |
475 | def filename(self): | |
476 | return self.data.filename | |
477 | ||
478 | @property | |
479 | def mimetype(self): | |
480 | return self.data.mimetype | |
481 | ||
482 | @property | |
483 | def size(self): | |
484 | return self.data.size | |
485 | ||
8cb0bea4 MT |
486 | @lazy_property |
487 | def author(self): | |
488 | if self.data.author_uid: | |
489 | return self.backend.accounts.get_by_uid(self.data.author_uid) | |
490 | ||
491 | @property | |
492 | def created_at(self): | |
493 | return self.data.created_at | |
494 | ||
b26c705a MT |
495 | def delete(self, author=None): |
496 | self.db.execute("UPDATE wiki_files SET deleted_at = NOW(), deleted_by = %s \ | |
497 | WHERE id = %s", author.uid if author else None, self.id) | |
ff14dea3 MT |
498 | |
499 | @property | |
500 | def deleted_at(self): | |
501 | return self.data.deleted_at | |
502 | ||
503 | def get_latest_revision(self): | |
504 | revisions = self.get_revisions() | |
505 | ||
506 | # Return first object | |
507 | for rev in revisions: | |
508 | return rev | |
509 | ||
510 | def get_revisions(self): | |
511 | revisions = self.backend.wiki._get_files("SELECT * FROM wiki_files \ | |
512 | WHERE path = %s ORDER BY created_at DESC", self.path) | |
513 | ||
514 | return list(revisions) | |
515 | ||
8cb0bea4 MT |
516 | def is_pdf(self): |
517 | return self.mimetype in ("application/pdf", "application/x-pdf") | |
518 | ||
f2cfd873 MT |
519 | def is_image(self): |
520 | return self.mimetype.startswith("image/") | |
521 | ||
522 | @lazy_property | |
523 | def blob(self): | |
524 | res = self.db.get("SELECT data FROM wiki_blobs \ | |
525 | WHERE id = %s", self.data.blob_id) | |
526 | ||
527 | if res: | |
528 | return bytes(res.data) | |
79dd9a0f MT |
529 | |
530 | def get_thumbnail(self, size): | |
75d9b3da MT |
531 | cache_key = "-".join((self.path, util.normalize(self.filename), self.created_at.isoformat(), "%spx" % size)) |
532 | ||
533 | # Try to fetch the data from the cache | |
534 | thumbnail = self.memcache.get(cache_key) | |
535 | if thumbnail: | |
536 | return thumbnail | |
537 | ||
538 | # Generate the thumbnail | |
5ef115cd | 539 | thumbnail = util.generate_thumbnail(self.blob, size) |
75d9b3da MT |
540 | |
541 | # Put it into the cache for forever | |
542 | self.memcache.set(cache_key, thumbnail) | |
543 | ||
544 | return thumbnail | |
2901b734 MT |
545 | |
546 | ||
547 | class WikiRenderer(misc.Object): | |
4ddad3e5 MT |
548 | schemas = ( |
549 | "ftp://", | |
550 | "git://", | |
551 | "http://", | |
552 | "https://", | |
553 | "rsync://", | |
554 | "sftp://", | |
555 | "ssh://", | |
556 | "webcal://", | |
557 | ) | |
558 | ||
559 | # Links | |
560 | links = re.compile(r"<a href=\"(.*?)\">(.*?)</a>") | |
2901b734 | 561 | |
c78ad26e | 562 | # Images |
e9c6d581 | 563 | images = re.compile(r"<img alt(?:=\"(.*?)\")? src=\"(.*?)\" (?:title=\"(.*?)\" )?/>") |
c78ad26e | 564 | |
2901b734 MT |
565 | def init(self, path): |
566 | self.path = path | |
567 | ||
4ddad3e5 MT |
568 | def _render_link(self, m): |
569 | url, text = m.groups() | |
2901b734 | 570 | |
4ddad3e5 MT |
571 | # Emails |
572 | if "@" in url: | |
573 | # Strip mailto: | |
574 | if url.startswith("mailto:"): | |
575 | url = url[7:] | |
2901b734 | 576 | |
4ddad3e5 MT |
577 | return """<a class="link-external" href="mailto:%s">%s</a>""" % \ |
578 | (url, text or url) | |
2901b734 | 579 | |
4ddad3e5 MT |
580 | # External Links |
581 | for schema in self.schemas: | |
582 | if url.startswith(schema): | |
583 | return """<a class="link-external" href="%s">%s</a>""" % \ | |
584 | (url, text or url) | |
2901b734 | 585 | |
4ddad3e5 MT |
586 | # Everything else must be an internal link |
587 | path = self.backend.wiki.make_path(self.path, url) | |
2901b734 | 588 | |
4ddad3e5 MT |
589 | return """<a href="%s">%s</a>""" % \ |
590 | (path, text or self.backend.wiki.get_page_title(path)) | |
2901b734 | 591 | |
c78ad26e | 592 | def _render_image(self, m): |
e9c6d581 | 593 | alt_text, url, caption = m.groups() |
2901b734 | 594 | |
c78ad26e MT |
595 | # Skip any absolute and external URLs |
596 | if url.startswith("/") or url.startswith("https://") or url.startswith("http://"): | |
fa8c5edd MT |
597 | return """<figure class="figure"><img src="%s" class="figure-img img-fluid rounded" alt="%s"> |
598 | <figcaption class="figure-caption">%s</figcaption></figure> | |
9881e9ef | 599 | """ % (url, alt_text, caption or "") |
2901b734 | 600 | |
c78ad26e MT |
601 | # Try to split query string |
602 | url, delimiter, qs = url.partition("?") | |
2901b734 | 603 | |
c78ad26e MT |
604 | # Parse query arguments |
605 | args = urllib.parse.parse_qs(qs) | |
2901b734 | 606 | |
c78ad26e MT |
607 | # Build absolute path |
608 | url = self.backend.wiki.make_path(self.path, url) | |
2901b734 | 609 | |
c78ad26e MT |
610 | # Find image |
611 | file = self.backend.wiki.get_file_by_path(url) | |
612 | if not file or not file.is_image(): | |
613 | return "<!-- Could not find image %s in %s -->" % (url, self.path) | |
2901b734 | 614 | |
c78ad26e MT |
615 | # Scale down the image if not already done |
616 | if not "s" in args: | |
9ce45afb | 617 | args["s"] = "920" |
2901b734 | 618 | |
fa8c5edd MT |
619 | return """<figure class="figure"><img src="%s?%s" class="figure-img img-fluid rounded" alt="%s"> |
620 | <figcaption class="figure-caption">%s</figcaption></figure> | |
621 | """ % (url, urllib.parse.urlencode(args), caption, caption or "") | |
2901b734 | 622 | |
c78ad26e MT |
623 | def render(self, text): |
624 | logging.debug("Rendering %s" % self.path) | |
2901b734 | 625 | |
9881e9ef MT |
626 | # Borrow this from the blog |
627 | text = self.backend.blog._render_text(text, lang="markdown") | |
628 | ||
4ddad3e5 MT |
629 | # Postprocess links |
630 | text = self.links.sub(self._render_link, text) | |
631 | ||
9881e9ef | 632 | # Postprocess images to <figure> |
c78ad26e MT |
633 | text = self.images.sub(self._render_image, text) |
634 | ||
9881e9ef | 635 | return text |