---+ Package =TWiki::UI=

Coordinator of execution flow and service functions used by the UI packages


%TOC%

---++ StaticMethod *handleRequest* <tt>($req) -> $res</tt>

Main coordinator of request-process-response cycle.



---++ StaticMethod *execute* <tt>($req,$sub,%initialContext) -> $res</tt>

Creates a TWiki session object with %initalContext and calls
$sub method. Returns the TWiki::Response object generated



---++ StaticMethod *logon* <tt>($session)</tt>

Handler to "logon" action.
   * =$session= is a TWiki session object



---++ StaticMethod *checkWebExists* <tt>($session,$web,$topic,$op)</tt>

Check if the web exists. If it does not, will throw an oops exception.
 $op is the user operation being performed.



---++ StaticMethod *topicExists* <tt>($session,$web,$topic,$op)=>boolean</tt>

Check if the given topic exists, throwing an OopsException
if it doesn't. $op is the user operation being performed.



---++ StaticMethod *checkWebWritable* <tt>($session)</tt>

Checks if this web is writable on this site, Throwing an exception
if it is not.



---++ StaticMethod *checkAccess* <tt>($web,$topic,$mode,$user)</tt>

Check if the given mode of access by the given user to the given
web.topic is permissible, throwing a TWiki::OopsException if not.



---++ StaticMethod *readTemplateTopic* <tt>($session,$theTopicName) -> ($meta,$text)</tt>

Search for a template topic in current web, Main web, and TWiki web, in that order.



---++ StaticMethod *run* <tt>($method)</tt>

Supported for bin scripts that were written for TWiki < 5.0. The
parameter is a function reference to the UI method to call, and is ignored
in TWiki >= 5.0, where it should be replaced by a Config.spec entry such as:

# **PERL H**
# Bin script registration - do not modify
$TWiki::cfg{SwitchBoard}{publish} = [ "TWiki::Contrib::Publish", "publish", { publishing => 1 } ];



---++ StaticMethod *verifyCryptToken* <tt>($session,$crypt_token)</tt>