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Author SHA1 Message Date
Amber Brown
b37c472419
Rename async to async_helpers because async is a keyword on Python 3.7 (#3678) 2018-08-10 23:50:21 +10:00
Richard van der Hoff
018d75a148 Refactor code for turning HttpResponseException into SynapseError 
This commit replaces SynapseError.from_http_response_exception with
HttpResponseException.to_synapse_error.

The new method actually returns a ProxiedRequestError, which allows us to pass
through additional metadata from the API call.
 2018-08-01 16:02:46 +01:00
Amber Brown
da7785147d
Python 3: Convert some unicode/bytes uses (#3569) 2018-08-02 00:54:06 +10:00
Richard van der Hoff
03751a6420 Fix some looping_call calls which were broken in #3604 
It turns out that looping_call does check the deferred returned by its
callback, and (at least in the case of client_ips), we were relying on this,
and I broke it in #3604.

Update run_as_background_process to return the deferred, and make sure we
return it to clock.looping_call.
 2018-07-26 11:48:08 +01:00
Richard van der Hoff
371da42ae4 Wrap a number of things that run in the background 
This will reduce the number of "Starting db connection from sentinel context"
warnings, and will help with our metrics.
 2018-07-25 09:41:12 +01:00
Krombel
4a27000548 check isort by travis 2018-07-16 13:57:33 +02:00
Krombel
32fd6910d0 Use parse_{int,str} and assert from http.servlet 
parse_integer and parse_string can take a request and raise errors
in case we have wrong or missing params.
This PR tries to use them more to deduplicate some code and make it
better readable
 2018-07-13 21:40:14 +02:00
Amber Brown
49af402019 run isort 2018-07-09 16:09:20 +10:00
Amber Brown
6350bf925e
Attempt to be more performant on PyPy (#3462) 2018-06-28 14:49:57 +01:00
Amber Brown
77ac14b960
Pass around the reactor explicitly (#3385) 2018-06-22 09:37:10 +01:00
Amber Brown
1f69693347
Merge pull request #3244 from NotAFile/py3-six-4 
replace some iteritems with six
 2018-05-24 13:04:07 -05:00
Adrian Tschira
933bf2dd35 replace some iteritems with six 
Signed-off-by: Adrian Tschira <nota@notafile.com>
 2018-05-19 17:59:26 +02:00
Adrian Tschira
aafb0f6b0d py3-ize url preview 2018-05-19 17:35:20 +02:00
Richard van der Hoff
318711e139 Set Server header in SynapseRequest 
(instead of everywhere that writes a response. Or rather, the subset of places
which write responses where we haven't forgotten it).

This also means that we don't have to have the mysterious version_string
attribute in anything with a request handler.

Unfortunately it does mean that we have to pass the version string wherever we
instantiate a SynapseSite, which has been c&ped 150 times, but that is code
that ought to be cleaned up anyway really.
 2018-05-10 18:50:27 +01:00
Richard van der Hoff
645cb4bf06 Remove redundant request_handler decorator 
This is needless complexity; we might as well use the wrapper directly.

Also rename wrap_request_handler->wrap_json_request_handler.
 2018-05-10 12:19:53 +01:00
Richard van der Hoff
be31adb036 Fix logcontext leak in media repo 
Make FileResponder.write_to_consumer uphold the logcontext contract
 2018-05-02 16:14:50 +01:00
Richard van der Hoff
dbf6f28d64
Merge pull request #3155 from NotAFile/py3-bytes-1 
more bytes strings
 2018-04-30 00:38:21 +01:00
Richard van der Hoff
aab2e4da60
Merge pull request #3140 from matrix-org/rav/use_run_in_background 
Use run_in_background in preference to preserve_fn
 2018-04-30 00:34:28 +01:00
Richard van der Hoff
9e2601f830
Merge pull request #3108 from NotAFile/py3-six-urlparse 
Use six.moves.urlparse
 2018-04-30 00:33:05 +01:00
Adrian Tschira
e9143b6593 more bytes strings 
Signed-off-by: Adrian Tschira <nota@notafile.com>
 2018-04-29 00:13:57 +02:00
Richard van der Hoff
fc149b4eeb Merge remote-tracking branch 'origin/develop' into rav/use_run_in_background 2018-04-27 14:31:23 +01:00
Richard van der Hoff
2a13af23bc Use run_in_background in preference to preserve_fn 
While I was going through uses of preserve_fn for other PRs, I converted places
which only use the wrapped function once to use run_in_background, to avoid
creating the function object.
 2018-04-27 12:55:51 +01:00
Richard van der Hoff
9255a6cb17 Improve exception handling for background processes 
There were a bunch of places where we fire off a process to happen in the
background, but don't have any exception handling on it - instead relying on
the unhandled error being logged when the relevent deferred gets
garbage-collected.

This is unsatisfactory for a number of reasons:
 - logging on garbage collection is best-effort and may happen some time after
   the error, if at all
 - it can be hard to figure out where the error actually happened.
 - it is logged as a scary CRITICAL error which (a) I always forget to grep for
   and (b) it's not really CRITICAL if a background process we don't care about
   fails.

So this is an attempt to add exception handling to everything we fire off into
the background.
 2018-04-27 11:07:40 +01:00
Adrian Tschira
2a3c33ff03 Use six.moves.urlparse 
The imports were shuffled around a bunch in py3

Signed-off-by: Adrian Tschira <nota@notafile.com>
 2018-04-15 21:22:43 +02:00
Adrian Tschira
4f40d058cc Replace old-style raise with six.reraise 
The old style raise is invalid syntax in python3. As noted in the docs,
this adds one more frame in the traceback, but I think this is
acceptable:

    <ipython-input-7-bcc5cba3de3f> in <module>()
         16     except:
         17         pass
    ---> 18     six.reraise(*x)

    /usr/lib/python3.6/site-packages/six.py in reraise(tp, value, tb)
        691             if value.__traceback__ is not tb:
        692                 raise value.with_traceback(tb)
    --> 693             raise value
        694         finally:
        695             value = None

    <ipython-input-7-bcc5cba3de3f> in <module>()
          9
         10 try:
    ---> 11     x()
         12 except:
         13     x = sys.exc_info()

Also note that this uses six, which is not formally a dependency yet,
but is included indirectly since most packages depend on it.

Signed-off-by: Adrian Tschira <nota@notafile.com>
 2018-04-06 23:06:24 +02:00
Erik Johnston
fa72803490 Merge branch 'master' of github.com:matrix-org/synapse into develop 2018-03-19 11:41:01 +00:00
Erik Johnston
926ba76e23 Replace ujson with simplejson 2018-03-15 23:43:31 +00:00
Erik Johnston
92c52df702 Make store_file use store_into_file 2018-02-14 17:55:18 +00:00
Erik Johnston
5fa571a91b Tell storage providers about new file so they can upload 2018-02-07 13:35:08 +00:00
Erik Johnston
1f881e0746
Merge pull request #2791 from matrix-org/erikj/media_storage_refactor 
Ensure media is in local cache before thumbnailing
 2018-02-05 11:28:52 +00:00
Richard van der Hoff
d5352cbba8 Handle url_previews with no content-type 
avoid failing with an exception if the remote server doesn't give us a
Content-Type header.

Also, clean up the exception handling a bit.
 2018-02-02 00:53:46 +00:00
Matthew Hodgson
ab9f844aaf
Add federation_domain_whitelist option (#2820) 
Add federation_domain_whitelist

gives a way to restrict which domains your HS is allowed to federate with.
useful mainly for gracefully preventing a private but internet-connected HS from trying to federate to the wider public Matrix network
 2018-01-22 19:11:18 +01:00
Richard van der Hoff
b0d9e633ee
Merge pull request #2814 from matrix-org/rav/fix_urlcache_thumbs 
Use the right path for url_preview thumbnails
 2018-01-19 18:57:15 +00:00
Richard van der Hoff
ad7ec63d08 Use the right path for url_preview thumbnails 
This was introduced by #2627: we were overwriting the original media for url
previews with the thumbnails :/

(fixes https://github.com/vector-im/riot-web/issues/6012, hopefully)
 2018-01-19 18:29:39 +00:00
Erik Johnston
cd871a3057 Fix storage provider bug introduced when renamed to store_local 2018-01-18 18:37:59 +00:00
Erik Johnston
8ff6726c0d
Merge pull request #2812 from matrix-org/erikj/media_storage_provider_config 
Make storage providers configurable
 2018-01-18 18:33:57 +00:00
Erik Johnston
3fe2bae857 Missing staticmethod 2018-01-18 17:11:45 +00:00
Erik Johnston
aae77da73f Fixup comments 2018-01-18 17:11:29 +00:00
Erik Johnston
9a89dae8c5 Fix typo in thumbnail resource causing access times to be incorrect 2018-01-18 15:06:24 +00:00
Erik Johnston
0af5dc63a8 Make storage providers more configurable 2018-01-18 14:07:21 +00:00
Erik Johnston
2cf6a7bc20 Use better file consumer 2018-01-18 12:00:46 +00:00
Erik Johnston
4a53f3a3e8 Ensure media is in local cache before thumbnailing 2018-01-18 12:00:46 +00:00
Erik Johnston
300edc2348 Update last access time when thumbnails are viewed 2018-01-17 10:24:43 +00:00
Erik Johnston
05f98a2224 Keep track of last access time for local media 2018-01-17 10:24:43 +00:00
Erik Johnston
d728c47142 Add docstring 2018-01-17 10:06:14 +00:00
Erik Johnston
d863f68cab Use local vars 2018-01-16 16:24:15 +00:00
Erik Johnston
6368e5c0ab Change _generate_thumbnails to take media_type 2018-01-16 16:17:38 +00:00
Erik Johnston
0a90d9ede4 Move setting of file_id up to caller 2018-01-16 16:03:05 +00:00
Erik Johnston
5dfc83704b Fix typo 2018-01-16 14:32:56 +00:00
Erik Johnston
307f88dfb6 Fix up log lines 2018-01-16 13:53:52 +00:00
Erik Johnston
9795b9ebb1 Correctly use server_name/file_id when generating/fetching remote thumbnails 2018-01-16 12:02:06 +00:00
Erik Johnston
c5b589f2e8 Log when we respond with 404 2018-01-16 12:01:40 +00:00
Erik Johnston
a4c5e4a645 Fix thumbnailing remote files 2018-01-16 11:37:50 +00:00
Erik Johnston
1159abbdd2
Merge pull request #2767 from matrix-org/erikj/media_storage_refactor 
Refactor MediaRepository to separate out storage
 2018-01-16 10:23:50 +00:00
Richard van der Hoff
21bf87a146 Reinstate media download on thumbnail request 
We need to actually download the remote media when we get a request for a
thumbnail.
 2018-01-12 15:38:06 +00:00
Erik Johnston
694f1c1b18 Fix up comments 2018-01-12 15:02:46 +00:00
Erik Johnston
e21370ba54 Correctly reraise exception 2018-01-12 14:44:02 +00:00
Erik Johnston
85a4d78213 Make Responder a context manager 2018-01-12 13:32:03 +00:00
Erik Johnston
dcc8eded41 Add missing class var 2018-01-12 13:16:27 +00:00
Erik Johnston
1e4edd1717 Remove unnecessary condition 2018-01-12 11:28:32 +00:00
Erik Johnston
c6c009603c Remove unused variables 2018-01-12 11:24:05 +00:00
Erik Johnston
4d88958cf6 Make class var local 2018-01-12 11:23:54 +00:00
Erik Johnston
227c491510 Comments 2018-01-12 11:22:41 +00:00
Erik Johnston
8f03aa9f61 Add StorageProvider concept 2018-01-09 16:16:12 +00:00
Erik Johnston
2442e9876c Make PreviewUrlResource use MediaStorage 2018-01-09 16:15:07 +00:00
Erik Johnston
9d30a7691c Make ThumbnailResource use MediaStorage 2018-01-09 16:15:07 +00:00
Erik Johnston
9e20840e02 Use MediaStorage for remote media 2018-01-09 16:15:07 +00:00
Erik Johnston
dd3092c3a3 Use MediaStorage for local files 2018-01-09 16:15:07 +00:00
Erik Johnston
ada470bccb Add MediaStorage class 2018-01-09 16:15:07 +00:00
Erik Johnston
1ee787912b Add some helper classes 2018-01-09 16:15:07 +00:00
Erik Johnston
47ca5eb882 Split out add_file_headers 2018-01-09 16:15:07 +00:00
Erik Johnston
b6c9deffda Remove dead TODO 2018-01-09 15:53:23 +00:00
Erik Johnston
b30cd5b107 Remove dead code related to default thumbnails 2018-01-09 14:38:33 +00:00
Richard van der Hoff
5a4da5bf78
Merge pull request #2697 from matrix-org/rav/fix_urlcache_index_error 
Fix error on sqlite 3.7
 2017-11-27 12:25:48 +00:00
Richard van der Hoff
8132a6b7ac Fix OPTIONS on preview_url 
Fixes #2706
 2017-11-23 17:52:31 +00:00
Richard van der Hoff
2908f955d1 Check database in has_completed_background_updates 
so that the right thing happens on workers.
 2017-11-22 18:02:15 +00:00
Richard van der Hoff
7098b65cb8 Fix error on sqlite 3.7 
Create the url_cache index on local_media_repository as a background update, so
that we can detect whether we are on sqlite or not and create a partial or
complete index accordingly.

To avoid running the cleanup job before we have built the index, add a bailout
which will defer the cleanup if the bg updates are still running.

Fixes https://github.com/matrix-org/synapse/issues/2572.
 2017-11-21 11:14:17 +00:00
Richard van der Hoff
5d15abb120 Bit more logging 2017-11-10 16:58:04 +00:00
Richard van der Hoff
46790f50cf Cache failures in url_preview handler 
Reshuffle the caching logic in the url_preview handler so that failures are
cached (and to generally simplify things and fix the logcontext leaks).
 2017-11-10 16:50:50 +00:00
Maxime Vaillancourt
5287e57c86 Ignore noscript tags when generating URL previews 2017-10-25 20:44:34 -04:00
Richard van der Hoff
eaaabc6c4f replace 'except:' with 'except Exception:' 
what could possibly go wrong
 2017-10-23 15:52:32 +01:00
Richard van der Hoff
d03cfc4258 Fix a logcontext leak in the media repo 2017-10-23 14:34:27 +01:00
Erik Johnston
bd5718d0ad Fix typo in thumbnail generation 2017-10-19 10:27:18 +01:00
Krombel
a6245478c8 fix thumbnailing (#2548) 
in commit 0e28281a the code for thumbnailing got refactored and the
renaming of this variables was not done correctly.

Signed-Off-by: Matthias Kesler <krombel@krombel.de>
 2017-10-17 12:45:33 +02:00
Erik Johnston
1b6b0b1e66 Add try/finally block to close t_byte_source 2017-10-13 15:34:08 +01:00
Erik Johnston
6b725cf56a Remove old comment 2017-10-13 15:23:41 +01:00
Erik Johnston
2b24416e90 Don't reuse source but instead copy from primary media store to backup 2017-10-13 14:11:34 +01:00
Erik Johnston
b92a8e6e4a PEP8 2017-10-13 13:58:57 +01:00
Erik Johnston
31aa7bd8d1 Move type into key 2017-10-13 13:47:38 +01:00
Erik Johnston
ad1911bbf4 Comment 2017-10-13 13:47:05 +01:00
Erik Johnston
c021c39cbd Remove spurious addition 2017-10-13 13:46:53 +01:00
Erik Johnston
1f43d22397 Don't needlessly rename variable 2017-10-13 11:42:07 +01:00
Erik Johnston
a675bd08bd Add paths back in... 2017-10-13 11:41:06 +01:00
Erik Johnston
4d7e1dde70 Remove unnecessary diff 2017-10-13 11:36:32 +01:00
Erik Johnston
ae5d18617a Make things be absolute paths again 2017-10-13 11:35:44 +01:00
Erik Johnston
9732ec6797 s/write_to_file/write_to_file_and_backup/ 2017-10-13 11:34:41 +01:00
Erik Johnston
0e28281a02 Fix up 2017-10-13 11:33:49 +01:00
Erik Johnston
505371414f Fix up thumbnailing function 2017-10-13 11:23:53 +01:00
Erik Johnston
e3428d26ca Fix typo 2017-10-13 10:39:59 +01:00
Erik Johnston
35332298ef Fix up comments 2017-10-13 10:39:32 +01:00
Erik Johnston
64db043a71 Move makedirs to thread 2017-10-13 10:25:01 +01:00
Erik Johnston
b60859d6cc Use make_deferred_yieldable 2017-10-13 10:24:19 +01:00
Erik Johnston
d76621a47b Fix comments 2017-10-12 18:16:25 +01:00
Erik Johnston
4ae85ae121 Don't close prematurely.. 2017-10-12 17:57:31 +01:00
Erik Johnston
cc505b4b5e getvalue closes buffer 2017-10-12 17:52:30 +01:00
Erik Johnston
1259a76047 Get len before close 2017-10-12 17:39:23 +01:00
Erik Johnston
802ca12d05 Don't close file prematurely 2017-10-12 17:37:21 +01:00
Erik Johnston
e283b555b1 Copy everything to backup 2017-10-12 17:31:24 +01:00
Erik Johnston
b77a13812c Typo 2017-10-12 15:32:32 +01:00
Erik Johnston
6dfde6d485 Remove dead code 2017-10-12 15:30:26 +01:00
Erik Johnston
c8eeef6947 Fix typos 2017-10-12 15:28:24 +01:00
Erik Johnston
67cb89fbdf Fix typo 2017-10-12 15:23:41 +01:00
Erik Johnston
bf4fb1fb40 Basic implementation of backup media store 2017-10-12 15:20:59 +01:00
Erik Johnston
d5694ac5fa Only log if we've removed media 2017-09-28 16:08:08 +01:00
Erik Johnston
7cc483aa0e Clear up expired url cache every 10s 2017-09-28 13:56:53 +01:00
Erik Johnston
e1e7d76cf1 Actually assign result to variable 2017-09-28 13:55:29 +01:00
Erik Johnston
5f501ec7e2 Fix typo in url cache expiry timer 2017-09-28 12:59:01 +01:00
Erik Johnston
ace8079086 Support new and old style media id formats 2017-09-28 12:52:51 +01:00
Erik Johnston
ae79764fe5 Change expires column to expires_ts 2017-09-28 12:37:53 +01:00
Erik Johnston
9ccb4226ba Delete expired url cache data 2017-09-28 12:18:06 +01:00
Erik Johnston
7fe8ed1787 Store URL cache preview downloads seperately 
This makes it easier to clear old media out at a later date
 2017-06-23 11:14:11 +01:00
Erik Johnston
b8b936a6ea Add API to quarantine media 2017-06-19 17:39:21 +01:00
Erik Johnston
48d2949416 Throw exception when not retrying when downloading media 2017-06-13 10:23:14 +01:00
Matthew Hodgson
836d5c44b6 actually trim oversize og:description meta 2017-05-22 21:14:20 +01:00
Erik Johnston
d12ae7fd1c Don't log exceptions for NotRetryingDestination 2017-05-15 15:42:18 +01:00
Richard van der Hoff
1d09586599 Address review comments 
- don't blindly proxy all HTTPRequestExceptions
- log unexpected exceptions at error
- avoid `isinstance`
- improve docs on `from_http_response_exception`
 2017-03-14 14:15:37 +00:00
Richard van der Hoff
170ccc9de5 Fix routing loop when fetching remote media 
When we proxy a media request to a remote server, add a query-param, which will
tell the remote server to 404 if it doesn't recognise the server_name.

This should fix a routing loop where the server keeps forwarding back to
itself.

Also improves the error handling on remote media fetches, so that we don't
always return a rather obscure 502.
 2017-03-13 16:30:36 +00:00
Jurek
aea5461488 Fix dynamic thumbnails aspect 2017-02-24 22:43:27 +01:00
Mark Haines
32019c9897 Log which files we saved attachments to in the media_repository 2017-01-10 14:19:50 +00:00
Erik Johnston
f7085ac84f Name linearizer's for better logs 2017-01-09 17:17:10 +00:00
Marcin Bachry
24c16fc349 Fix crash in url preview when html tag has no text 
Signed-off-by: Marcin Bachry <hegel666@gmail.com>
 2016-12-14 22:38:18 +01:00
Johannes Löthberg
32c8b5507c preview_url_resource: Ellipsis must be in unicode string 
Signed-off-by: Johannes Löthberg <johannes@kyriasis.com>
 2016-12-01 13:12:13 +01:00
Mark Haines
b1c27975d0 Set CORs headers on responses from the media repo 2016-11-02 11:29:25 +00:00
Erik Johnston
d51b8a1674 Add quotes and be explicity about script-src 2016-09-05 17:35:01 +01:00
Erik Johnston
662b031a30 Allow PDF to be rendered from media repo 2016-09-05 17:25:26 +01:00
Erik Johnston
0af9e1a637 Set Content-Security-Policy on media repo 
This is to inform browsers that they should sandbox the returned
media. This is particularly cruical for javascript/HTML files.
 2016-08-17 16:27:39 +01:00
Erik Johnston
f90b3d83a3 Add None check to _iterate_over_text 2016-08-17 15:17:17 +01:00
Erik Johnston
109a560905 Flake8 2016-08-16 14:57:21 +01:00
Erik Johnston
48b5829aea Fix up preview URL API. Add tests. 
This includes:

- Splitting out methods of a class into stand alone functions, to make
  them easier to test.
- Adding unit tests to split out functions, testing HTML -> preview.
- Handle the fact that elements in lxml may have tail text.
 2016-08-16 14:53:24 +01:00
Erik Johnston
5bcccfde6c Don't include html comments in description 2016-08-05 14:45:11 +01:00
Erik Johnston
b5525c76d1 Typo 2016-08-04 16:10:08 +01:00
Erik Johnston
e97648c4e2 Test summarization 2016-08-04 16:09:09 +01:00
Erik Johnston
58c9653c6b Don't infer paragrahs from newlines 2016-08-02 18:50:24 +01:00
Erik Johnston
6b58ade2f0 Comment on why we clone 2016-08-02 18:41:22 +01:00
Erik Johnston
9e66c58ceb Spelling. 2016-08-02 18:37:31 +01:00
Erik Johnston
f83f5fbce8 Make it actually compile 2016-08-02 18:32:42 +01:00
Erik Johnston
aecaec3e10 Change the way we summarize URLs 
Using XPath is slow on some machines (for unknown reasons), so use a
different approach to get a list of text nodes.

Try to generate a summary that respect paragraph and then word
boundaries, adding ellipses when appropriate.
 2016-08-02 18:25:53 +01:00
Erik Johnston
f52cb4cd78 Remove race 2016-06-29 15:24:50 +01:00
Erik Johnston
a70688445d Implement purge_media_cache admin API 2016-06-29 14:57:59 +01:00
Erik Johnston
314b146b2e Track approximate last access time for remote media 2016-06-29 11:41:20 +01:00
Erik Johnston
09a17f965c Line lengths 2016-06-15 16:58:12 +01:00
Erik Johnston
1e9026e484 Handle floats as img widths 2016-06-15 16:58:05 +01:00
Erik Johnston
a60169ea09 Handle og props with not content 2016-06-15 16:57:48 +01:00
Erik Johnston
eba4ff1bcb 502 on /thumbnail when can't contact remote server 2016-06-09 11:29:43 +01:00
Mark Haines
eb79110beb Clean up the blacklist/whitelist handling. 
Always set the config key with an empty list, even if a list isn't specified.
This means that the codepaths are the same for both the empty list and
for a missing key. Since the behaviour is the same for both cases this
makes the code somewhat easier to reason about.
 2016-05-16 13:03:59 +01:00
Mark Haines
8d7ad44331 Report per request metrics for all of the things using request_handler 2016-04-28 10:57:49 +01:00
Erik Johnston
e8884e5e9c Add self.media_repo to PreviewUrlResource 2016-04-19 14:51:34 +01:00
Erik Johnston
a7001c311b _make_dirs was moved to MediaRepository 2016-04-19 14:49:31 +01:00
Erik Johnston
9181e2f4c7 Add store to PreviewUrlResource 2016-04-19 14:48:24 +01:00
Erik Johnston
fb76a81ff7 Reorder imports 2016-04-19 14:45:05 +01:00
Erik Johnston
0c93df89b6 Move MediaRepository to media_repository module 2016-04-19 11:31:43 +01:00
Erik Johnston
43f0941e8f Split out BaseMediaResource into MediaRepository 
This is so that a single MediaRepository can be shared across all
resources, rather than having a "copy" per resource.

In particular this allows us to guard against both the thumbnail and
download resource triggering a download of remote content at the same
time.
 2016-04-19 11:24:59 +01:00
Matthew Hodgson
aaabbd3e9e explicitly pass in the charset from Content-Type to lxml to fix cyrillic woes better 2016-04-15 14:32:25 +01:00
Matthew Hodgson
84f9cac4d0 fix cyrillic URL previews by hardcoding all page decoding to UTF-8 for now, rather than relying on lxml's heuristics which seem to get it wrong 2016-04-15 13:20:08 +01:00
Matthew Hodgson
f78b479118 fix urlparse import thinko breaking tiny URLs 2016-04-14 15:23:55 +01:00
Matthew Hodgson
bd77216d06 comment out 2c838f6459 due to risk of https://en.wikipedia.org/wiki/Billion_laughs attacks - thanks @torhve 2016-04-14 14:39:24 +01:00
Erik Johnston
d0633e6dbe Sanitize the optional dependencies for spider API 2016-04-13 13:38:09 +01:00
Erik Johnston
17515bae14 PEP8 2016-04-11 11:02:50 +01:00
Matthew Hodgson
5ffacc5e84 fix typos and needless try/except from PR review 2016-04-11 10:39:16 +01:00
Matthew Hodgson
83b2f83da0 actually throw meaningful errors 2016-04-08 21:36:59 +01:00
Mark Haines
b36270b5e1 Fix pep8 warning 2016-04-08 19:52:23 +01:00
Matthew Hodgson
1ccabe2965 more PR feedback 2016-04-08 18:58:08 +01:00
Matthew Hodgson
dafef5a688 Add url_preview_enabled config option to turn on/off preview_url endpoint. defaults to off. 
Add url_preview_ip_range_blacklist to let admins specify internal IP ranges that must not be spidered.
Add url_preview_url_blacklist to let admins specify URL patterns that must not be spidered.
Implement a custom SpiderEndpoint and associated support classes to implement url_preview_ip_range_blacklist
Add commentary and generally address PR feedback
 2016-04-08 18:37:15 +01:00
Matthew Hodgson
cf51c4120e report image size (bytewise) in OG meta 2016-04-03 23:57:05 +01:00
Matthew Hodgson
0834b152fb char encoding 2016-04-03 12:59:27 +01:00
Matthew Hodgson
8b98a7e8c3 pep8 2016-04-03 12:56:29 +01:00
Matthew Hodgson
eab4d462f8 fix etag typing error. fix timestamp typing error 2016-04-03 02:02:46 +01:00
Matthew Hodgson
c3916462f6 rebase all image URLs 2016-04-03 01:33:12 +01:00
Matthew Hodgson
110780b18b remove stale todo 2016-04-03 00:48:31 +01:00
Matthew Hodgson
b09e29a03c Ensure only one download for a given URL is active at a time 2016-04-03 00:47:40 +01:00
Matthew Hodgson
7426c86eb8 add a persistent cache of URL lookups, and fix up the in-memory one to work 2016-04-03 00:31:57 +01:00
Matthew Hodgson
d1b154a10f support gzip compression, and don't pass through error msgs 2016-04-02 03:06:39 +01:00
Matthew Hodgson
9377157961 how was _respond_default_thumbnail ever meant to work? 2016-04-02 02:31:45 +01:00
Matthew Hodgson
2c838f6459 pass back SVGs as their own thumbnails 2016-04-02 02:30:07 +01:00
Matthew Hodgson
5037ee0d37 handle missing dimensions without crashing 2016-04-02 02:29:57 +01:00
Matthew Hodgson
b26e8604f1 make meta comparisons case insensitive 2016-04-02 01:35:44 +01:00
Matthew Hodgson
5fd07da764 refactor calc_og; spider image URLs; fix xpath; add a (broken) expiringcache; loads of other fixes 2016-04-02 00:35:49 +01:00
Matthew Hodgson
c60b751694 fix assorted redirect, unicode and screenscraping bugs 2016-04-01 02:17:48 +01:00
Matthew Hodgson
683e564815 handle spidered relative images correctly 2016-03-31 23:52:58 +01:00
Matthew Hodgson
72550c3803 prevent choking on invalid utf-8, and handle image thumbnailing smarter 2016-03-31 15:14:14 +01:00
Matthew Hodgson
bb9a2ca87c synthesise basig OG metadata from pages lacking it 2016-03-31 14:15:09 +01:00
Matthew Hodgson
a8a5dd3b44 handle requests with missing content-length headers (e.g. YouTube) 2016-03-31 01:55:21 +01:00
Matthew Hodgson
ae5831d303 fix bugs 2016-03-29 03:32:55 +01:00
Matthew Hodgson
19038582d3 debug 2016-03-29 03:14:16 +01:00
Matthew Hodgson
64b4aead15 make it work 2016-03-29 03:13:25 +01:00
Matthew Hodgson
dd4287ca5d make it build 2016-03-29 02:07:57 +01:00
Matthew Hodgson
d9d48aad2d Merge branch 'develop' into matthew/preview_urls 2016-03-27 22:54:42 +01:00
Mark Haines
58c9f20692 Catch the exceptions thrown by twisted when you write to a closed connection 2016-02-12 13:46:59 +00:00
Erik Johnston
33c71c3a4b Preserve log context over when deferring to thread pool in media repo 2016-02-03 16:17:18 +00:00
Matthew Hodgson
7dd0c1730a initial WIP of a tentative preview_url endpoint - incomplete, untested, experimental, etc. just putting it here for safekeeping for now 2016-01-24 18:47:27 -05:00