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diff --git a/tdeioslave/http/README.webdav b/tdeioslave/http/README.webdav new file mode 100644 index 000000000..c7ee900bb --- /dev/null +++ b/tdeioslave/http/README.webdav @@ -0,0 +1,184 @@ +This document describes how to add support for extended webdav features (locking, +properties etc.) to your webdav-aware application. +Author: Hamish Rodda, rodda@kde.org +Version: 0.3 + +Compatable with (tested on): +Apache + mod_dav version 1 and 2 +Zope +Silverstream webdav server + +Applications supporting extended webdav features + (include name and contact email, in case the interface has to change): +[none currently] + +Much of the info here is elaborated by rfc #2518; the rest can be understood by reading +davPropStat() in http.cc, specifically the setMetaData() calls. + +Extended information is transferred via kio's metadata system... + +=== MISCELLANEOUS === +Display Names (names suitable for presentation to the user) are passed as the metadata +element davDisplayName. + +Source template locations (href, usually an absolute URL w/o host info) +are passed as element davSource. + +Content languages are passed as element davContentLanguage. + +Extra webdav headers are passed as metadata element davHeader + +For doing a webdav SEARCH, use listDir() and set the metadata element +davSearchQuery to the search query. The root element of this query should be like +<d:basicsearch> or <d:sql>. + +For doing a generic webdav action, call a special request, with +the following data: +int, value 7 (WEBDAV generic) +KURL url +int method - the HTTP/WEBDAV method to call +Send the xml request and receive the xml response in the usual way. + +=== CREATING A LOCK === +To create a lock, call a special request, with the following data: + +int, value 5 (LOCK request) +KURL url - the location of the resource to lock +QString scope - the scope of the lock, currently "exclusive" or "shared" +QString type - the type of the lock, currently only "write" +QString owner (optional) - owner contact details (url) + +Additionally, the lock timeout requested from the server may be altered from the default +of Infinity by setting the metadata "davTimeout" to the number of seconds, or 0 for +infinity. + +=== REMOVING A LOCK === +To remove a lock, call a special request, with the following data: + +int, value 5 (LOCK request) +KURL url - the location of the resource to unlock + +metadata required: +davLockToken - the lock token to remove + +and, of course, any other lock information as below required for the operation +to suceed. + +=== SETTING LOCK INFORMATION === +To provide lock data so that urls can be accessed, you need to pass the following metadata: +davLockCount: (uint) the number of locks you are providing +davLockToken%1: (string) the token +(optional) davLockURL%1: (string) the absolute URL specified by the lock token +(optional) davLockNot%1: (value ignored) the presence of this meta key negates the lock + (ie. requires the lock to not be set) + +Example data: +============= +davLockCount: 2 +davLockToken1: opaquelocktoken:f81de2ad-7f3d-a1b2-4f3c-00a0c91a9d76A +davLockNot1: (value ignored) +davLockToken2: opaquelocktoken:f81de2ad-7f3d-a1b2-4f3c-00a0c91a9d76B +davLockURL2: http://www.foo.bar/container2/ + + +=== RECEIVING LOCK INFORMATION === +For each file, stat/listdir always returns two pieces of information: + +davSupportedLockCount: (uint) the number of lock types discovered for this resource. +davLockCount: (uint) the number of locks discovered on this resource. + +for each count, additional information is returned: + +=================== +Information about the locks on a resource: + +davLockCount: %1 (the number of locks to be described, as below) +*** Required items *** +davLockScope%1 - The scope of this lock. May be exclusive, shared, or a custom type. +davLockType%1 - The type of the lock. +davLockDepth%1 - The depth to which this lock applies + (0=only this resource, 1=this collection, infinity=applies recursively) + +*** Optional items *** +davLockOwner%1 - The owner of this lock. +davLockTimeout%1 - The timeout parameter. Possibilities: see section 9.8, rfc #2518 +davLockToken%1 - The token which iden + +=================== +Information about the lock types supported by the resource + +davSupportedLockCount: %1 (the number of locks types to be described, as below) + +davSupportedLockScope%1 - The scope of the lock (exclusive, shared, other custom type) +davSupportedLockType%1 - The type of the lock (webdav 1.0 supports only the "write" type) +=================== + +Example Metadata which would be supplied if the response was the example XML below: + +davSupportedLockCount: 2 +davLockCount: 2 +davLockScope1: exclusive +davLockType1: write +davLockDepth1: 0 +davLockOwner1: Jane Smith +davLockTimeout1: infinite +davLockToken1: opaquelocktoken:f81de2ad-7f3d-a1b2-4f3c-00a0c91a9d76A +davLockScope2: shared +davLockType2: write +davLockDepth2: 1 +davLockOwner2: John Doe +davLockToken2: opaquelocktoken:f81de2ad-7f3d-a1b2-4f3c-00a0c91a9d76B +davSupportedLockScope1: exclusive +davSupportedLockType1: write +davSupportedLockScope2: shared +davSupportedLockType2: write + + +(example XML:) + + <?xml version="1.0" encoding="utf-8" ?> + <D:multistatus xmlns:D='DAV:'> + <D:response> + <D:href>http://www.foo.bar/container/</D:href> + <D:propstat> + <D:prop> + <D:lockdiscovery> + <D:activelock> + <D:locktype><D:write/></D:locktype> + <D:lockscope><D:exclusive/></D:lockscope> + <D:depth>0</D:depth> + <D:owner>Jane Smith</D:owner> + <D:timeout>Infinite</D:timeout> + <D:locktoken> + <D:href> + opaquelocktoken:f81de2ad-7f3d-a1b2-4f3c-00a0c91a9d76A + </D:href> + </D:locktoken> + </D:activelock> + <D:activelock> + <D:locktype><D:write/></D:locktype> + <D:lockscope><D:shared/></D:lockscope> + <D:depth>1</D:depth> + <D:owner>John Doe</D:owner> + <D:locktoken> + <D:href> + opaquelocktoken:f81de2ad-7f3d-a1b2-4f3c-00a0c91a9d76B + </D:href> + </D:locktoken> + </D:activelock> + </D:lockdiscovery> + <D:supportedlock> + <D:lockentry> + <D:lockscope><D:exclusive/></D:lockscope> + <D:locktype><D:write/></D:locktype> + </D:lockentry> + <D:lockentry> + <D:lockscope><D:shared/></D:lockscope> + <D:locktype><D:write/></D:locktype> + </D:lockentry> + </D:supportedlock> + </D:prop> + <D:status>HTTP/1.1 200 OK</D:status> + </D:propstat> + </D:response> + </D:multistatus> |