IRC Archive for channel #xwiki

Last modified by Vincent Massol on 2012/10/18 19:12

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cjdelisle - (10:17): import-export looks pretty cool, will it have the capability to output the changes over a certain span of time?
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cjdelisle - (11:54): abusenius: Is there a way I can get the signed script test to actually sign something?
abusenius - (11:55): yes, just don't mock the crypto service in org.xwiki.signedscripts.PKCS7ScriptSignerTest.registerComponents()
cjdelisle - (11:55): so I need to write another test?
abusenius - (11:57): well, depends on what you are trying to do
cjdelisle - (11:58): I just want to be able to sign different stuff until I can get different code to have the same signature.
abusenius - (11:58): well, then you need another test I guess
abusenius - (11:58): and good luck with forging :)
abusenius - (12:06): btw, back to signing with browser, IMO the best thing is (also for signing on server side)
abusenius - (12:06): is to present the text that should be signed to the user first
cjdelisle - (12:06): yup, you have no choice in firefox.
abusenius - (12:06): and then have some button "Do you want to sign this"
cjdelisle - (12:06): It's kind of silly to let a user sign something without knowing it.
cjdelisle - (12:07): takes away the concept of "signing".
abusenius - (12:07): but the thing that shouöld be signed will be constructed on the server
abusenius - (12:07): yes
abusenius - (12:07): I'm currently making the "mangling" to behave exactly as pretty-printing
cjdelisle - (12:07): Why construct it at the server?
abusenius - (12:07): to avoid any errors
cjdelisle - (12:08): errors in what?
abusenius - (12:08): and let it be extensible
abusenius - (12:08): in the stuff you put into the macro
abusenius - (12:08): I will not sign only the code
cjdelisle - (12:09): I still don't see the need to sign stuff other than what the user wants to sign.
abusenius - (12:10): it is the {{signed}} macro and not some random e-mail
abusenius - (12:11): the user has to sign what *needs* to be signed
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abusenius - (12:11): or not sign at all
abusenius - (12:11): and it should be visible
degro - (12:11): bonjour
abusenius - (12:11): hiding dates, names etc in the base64 encoded signature isn't good
degro - (12:12): @cjdelisle any idea on how to translate displayInSection of the ConfigurableClass?
cjdelisle - (12:12): why? it is pretty well guaranteed to be correct.
degro - (12:13): I mean displaying its translation on the XWiki.XWikiPreferences
cjdelisle - (12:13): degro: What are you translating? I can think of a few things.
degro - (12:13): the displayInSection property of a ConfigurableClass object, which appears in the preferences as a section
degro - (12:14): it's quite static now
cjdelisle - (12:14): As far as I know the section is static.
cjdelisle - (12:14): if displayInSection get translated then it would end up putting stuff in the wrong section.
cjdelisle - (12:16): degro: You're building an app and it will have it's own section in the admin interface? and you want that section to depend on the language?
cjdelisle - (12:20): am I correct?
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sdumitriu - (12:31): I think degro is having lunch right now
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degro - (12:50): sorry, I was away for lunch, indeed
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degro - (12:53): cjdelisle: yes. what I want to be able to translate is the title of the section from the main preferences doc
cjdelisle - (12:54): I copied the sections which had existed before, I don't think they are translatable (I may be wrong)
cjdelisle - (12:54): If we were to change to translatable section titles, it would be adding a new feature (I think)
degro - (12:55): oh.
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cjdelisle - (12:55): It actually doesn't sound hard to implement, it would just have to be done.
degro - (12:56): it wouldn't be a new feature
cjdelisle - (12:56): When you're in the section it's translated because the admin app (before i came along) appended the name of the section to "admin." and looked for a key by that name
degro - (12:56): the existing sections are translated
degro - (12:56): yeah, that I know
cjdelisle - (12:56): I didn't change that.
degro - (12:57): and it's not so good, because if you have spaces in the section name, it screws up the key
degro - (12:57): I see
cjdelisle - (12:58): If you are at the XWikiPreferences main page and you change language so the default panel names (General, Programming etc.) change?
cjdelisle - (12:58): s/so/do
degro - (13:02): no, not all of them have translations
degro - (13:02): there's "Panel Wizard"
cjdelisle - (13:04): Which ones are translated?
degro - (13:10): well, only Panel Wizard, apparently
cjdelisle - (13:11): abusenius: Looks like you rewrote all of x509
cjdelisle - (13:11): KeyPairGenerator?
cjdelisle - (13:13): importing from crypto.*.internal, there's no guarentee that that stuff won't disappear tomorrow.
cjdelisle - (13:18): I think I'm going to have to wait until you have a test which actually tests all the way through from the code to the signature to the verification before I can try a forgery attack.
abusenius - (13:20): org.xwiki.signedscripts.PKCS7ScriptSignerTest.testSignVerify() ?
abusenius - (13:20): the key pair generator duplicates code indeed
abusenius - (13:21): I'll remove mocking the crypto service, so that it really signs
cjdelisle - (13:21): Ok, I swa the fake signature string and I couldn't figure out if it was signing or not.
cjdelisle - (13:26): coffee time...
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abusenius - (14:35): the tests sign data now
cjdelisle - (14:35): cool
abusenius - (14:35): (cjdelisle)
abusenius - (14:36): I have changed the format of data what is signed
cjdelisle - (14:36): svn upping...
abusenius - (14:36): it is now literally everything as you see it in the result, axcept signature
cjdelisle - (14:37): I would tend to put the signature in it's own section.
cjdelisle - (14:37): something like:
cjdelisle - (14:37): -----SINGED-----
cjdelisle - (14:37): blah blah
cjdelisle - (14:37): -----SIGNATURE-----
cjdelisle - (14:37): 12345ACDE==
cjdelisle - (14:37): -----END SIGNED-----
abusenius - (14:39): what is the difference?
cjdelisle - (14:40): Well you know for sure that everything between -----SINGED-----   and   -----SIGNATURE-----  is what is signed
abusenius - (14:41): well, I know for sure that everything other than signature is what is signed
abusenius - (14:41): it is really not that hard to see :)
cjdelisle - (14:41): The more complicated you make it the easier it is to break.
cjdelisle - (14:41): s/break/0wn/
abusenius - (14:41): 1. it is not complicated
abusenius - (14:42): 2. it is not easier to break if you shuffle things aroud and call them differently
abusenius - (14:42): it is *exactly* the same data and this is what matters
abusenius - (14:43): better tell me how to generate a self-signed, not CA certificate using X509Keymaker
abusenius - (14:44): ok, I guess I need to generate a key pair and use the same key
cjdelisle - (14:45): newCertAndPrivateKey(final int daysOfValidity, final String password)
abusenius - (14:47): aha, thx
cjdelisle - (14:55): Another question, you have a fingerprint in the signature and one in the cert, which one do you use when validating?
abusenius - (15:00): I compare the certificate I get from the signature with the one I expect
cjdelisle - (15:01): Of course the implementation could have a flaw and it would not be noticeable.
cjdelisle - (15:02): AKA the implementation could trust the fingerprint and not compare.
jvdrean - (15:02): I'd like a new component to reuse a config from the old core, should we have a configuration component that uses xwiki.cfg as source ?
cjdelisle - (15:03): Maybe it would be better to move the configuration to the .properties file and reference it in the old core.
cjdelisle - (15:04): abusenius: You have flickering tests, they will break the build.
tmortagne - (15:05): jvdrean: i don't think so
abusenius - (15:05): I'm thinking how to fix flickering
abusenius - (15:05): it happens because I sign twice, and the date differ in one second
abusenius - (15:06): hm, I could fake the date
tmortagne - (15:06): jvdrean: but that should not be too hard to write a ConfigurationSource geting properties in xwiki.cfg
jvdrean - (15:06): the prop I'd like to use is xwiki.db
tmortagne - (15:06): i understood "do we have" instead of "should we have"
tmortagne - (15:07): jvdrean: why do you need this ?
tmortagne - (15:07): it's supposed to be an internal hibernate storage detail
jvdrean - (15:08): I need this in order to be able to set the wiki I want to make a query on
tmortagne - (15:08): the wiki is "xwiki"
tmortagne - (15:08): whatever is in xwiki.db
tmortagne - (15:08): xwiki.db is used by hibernate storage to finc the real database name for the main wiki
jvdrean - (15:08): ok
jvdrean - (15:09): sorry for the noise
tmortagne - (15:09): jvdrean:  actually it's not "xwiki" (even if it is ;)) but the main wiki name you get in the api to be clean
jvdrean - (15:11): in which new API do we have getMainWiki ?
jvdrean - (15:11): I looked into DocumentAccessBridge without luck
tmortagne - (15:13): jvdrean: not sure actually we have something to main main wiki from components
tmortagne - (15:14): it should probably be part of ModelContext i guess
tmortagne - (15:14): currently i think the code that need main wiki get the XWikiContext as a map in the ExecutionContext
abusenius - (15:15): should not flicker any more
tmortagne - (15:15): and then call get("mainxwiki") (which is a very bad name)
tmortagne - (15:16): jvdrean: you reallu need to get main wiki from a component ?
jvdrean - (15:16): if I want the component to be able to query the main wiki in addition to the local wiki I think so yes
tmortagne - (15:17): what i mean is that don't you need to depends on core to do the actual query
tmortagne - (15:17): ?
jvdrean - (15:18): it's a WIP but I plan to use the query component
jvdrean - (15:18): so for the moment I don't depend on core directly
tmortagne - (15:19): ok
tmortagne - (15:20): i think the less expensive for now is to get the get XWikiContext as a map et get the main wiki from there with a TODO
tmortagne - (15:20): hmm wait
tmortagne - (15:21): forget that
tmortagne - (15:21): there is a way to get main wiki actually
tmortagne - (15:21): let me check something
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tmortagne - (15:23): you can use default implementation of EntityReferenceValueProvider for that
tmortagne - (15:23): it provide a default value (which mean main wiki for the wiki) for each reference type
tmortagne - (15:24): EntityReferenceValueProvider#getDefaultValue(EntityType.WIKI)
vmassol - (15:24): tmortagne: you've probably seen this already: http://www.sonatype.com/people/2010/08/introducing-aether/
tmortagne - (15:25): vmassol: actually no (i mostly worked on wiki importer this week), sounds great
tmortagne - (15:27): vmassol: " if you embed Aether, you will be embedding the same library that Maven 3.x uses when it interacts with a Maven repository", found the Grail :)
sburjan - (15:32): so maven 3 will still have poms ?
tmortagne - (15:33): sburjan: if i understood well there is still pom but you are supposed to be able to write them in other "languages" than XML
sburjan - (15:33): I see
sburjan - (15:33): anywayz, I still don't understand 100% fully how maven works .. so
tmortagne - (15:34): sburjan: yep there is always some weird things :)
sburjan - (15:34): at least for me :)
sburjan - (15:35): vmassol, : finished my first Selenium 2 test .. waiting to send it to sdumitriu so he can review it and commit it
sburjan - (15:35): if it's good
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cjdelisle - (15:44): I guess since the same parser is used to generate the output (code) and the stuff to sign, there isn't any really fun forgery that can be done.
cjdelisle - (15:44): A few notes:
cjdelisle - (15:44): You can add as many signatures as you like (after signing), only the last one counts.
cjdelisle - (15:45): (same with comment syntax)
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abusenius - (16:33): hm, my proposal about adding more property acces methods seems to be ignored...
abusenius - (16:34): would be cool if more committers would reply to this: http://lists.xwiki.org/pipermail/devs/2010-July/019503.html a -1 is better than nothing
cjdelisle - (16:35): I have to look at it more closely.
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lucaa - (16:36): hi xwikiers
lucaa - (16:36): how do I know when a livetable is done loading?
abusenius - (16:36): cjdelisle, I can send you patch implementing it
lucaa - (16:36): I only managed to listen to a xwiki:livetable:newrow ftm
cjdelisle - (16:37): I know something is called when it's all loaded, maybe check the tests?
jvdrean - (16:38): Vincent worked on this in ui-tests
jvdrean - (16:38): document.observe('xwiki:livetable:" + this.livetableId + ":displayComplete
lucaa - (16:39): thanks jvdrean, I'll give it a try
lucaa - (16:39): my livetable is an old one...
lucaa - (16:39): 2.0.5
lucaa - (16:43): nop doesn't work
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cjdelisle - (18:11): abusenius: Send me the patch I'll look at it.
abusenius - (18:18): does it (ddc) work?
cjdelisle - (18:19): DCC? I have to open a port, just a second...
abusenius - (18:20): I can use mail/whatever if you want
cjdelisle - (18:20): Mail is easier.
abusenius - (18:20): ok
cjdelisle - (18:20): You have my mail?
abusenius - (18:21): sent
abusenius - (18:21): to lavabit
cjdelisle - (18:22): Ok, I'll look at it later.
abusenius - (18:23): ok, thx
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DrPoO - (19:49): hello, Im trying to run xwiki-enterprise edition using mysql as a backend and I get the following error message: javax.servlet.ServletException: com.xpn.xwiki.XWikiException: Error number 3 in 0: Could not initialize main XWiki context
DrPoO - (19:49): any suggestions?
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jvdrean - (20:12): DrPoO: this means that xwiki is not able to connect to the database
DrPoO - (20:13): mmm
jvdrean - (20:13): either because it's not running or the credentials set in WEB-INF/hibernate.cfg.xml are not correct
DrPoO - (20:13): thats what i was looking at actually
DrPoO - (20:14): another unrelated question, is there a way of easily exporting/importing a wiki from one machine to another?
DrPoO - (20:14): by doing a mysqldump or something like that
tmortagne - (20:25): DrPoO: you have an import/export support in xwiki
tmortagne - (20:26): go to admin in your wiki
tmortagne - (20:26): you can export a xar from a wiki and import it in another one
tmortagne - (20:28): if you have a very big wiki to export/import you should look at http://code.xwiki.org/xwiki/bin/view/Snippets/LargeWikiExportSnippet and http://code.xwiki.org/xwiki/bin/view/Snippets/LargeXARImportScriptSnippet (the standard exporter loader the whole wiki in memory before actually send it to the client so depending to the momory you allocated to the JVM it could fail)
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DrPoO - (21:56): how can I change the servlet mapping so that my instance has a url path of my choice
DrPoO - (21:56): ?
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sdumitriu - (23:33): Hi DrPoO
sdumitriu - (23:33): See http://platform.xwiki.org/xwiki/bin/view/Main/ShortURLs
sdumitriu - (23:34): It explains there all the parts of the URL
sdumitriu - (23:38): About migrating from one machine to another, if it's the same type of database, you can use mysqldump
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