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authorErlang/OTP <[email protected]>2009-11-20 14:54:40 +0000
committerErlang/OTP <[email protected]>2009-11-20 14:54:40 +0000
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The R13B03 release.OTP_R13B03
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+<?xml version="1.0" encoding="latin1" ?>
+<!DOCTYPE erlref SYSTEM "erlref.dtd">
+
+<erlref>
+ <header>
+ <copyright>
+ <year>1997</year><year>2009</year>
+ <holder>Ericsson AB. All Rights Reserved.</holder>
+ </copyright>
+ <legalnotice>
+ The contents of this file are subject to the Erlang Public License,
+ Version 1.1, (the "License"); you may not use this file except in
+ compliance with the License. You should have received a copy of the
+ Erlang Public License along with this software. If not, it can be
+ retrieved online at http://www.erlang.org/.
+
+ Software distributed under the License is distributed on an "AS IS"
+ basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+ the License for the specific language governing rights and limitations
+ under the License.
+
+ </legalnotice>
+
+ <title>mod_alias</title>
+ <prepared>Joakim Greben&ouml;</prepared>
+ <docno></docno>
+ <date>1997-10-14</date>
+ <rev>2.2</rev>
+ <file>mod_alias.sgml</file>
+ </header>
+ <module>mod_alias</module>
+ <modulesummary>URL aliasing.</modulesummary>
+ <description>
+ <p>Erlang Webserver Server internal API for handling of things
+ such as interaction data exported by the mod_alias module.</p>
+ </description>
+ <funcs>
+ <func>
+ <name>default_index(ConfigDB, Path) -> NewPath</name>
+ <fsummary>Return a new path with the default resource or file appended.</fsummary>
+ <type>
+ <v>ConfigDB = config_db()</v>
+ <v>Path = NewPath = string()</v>
+ </type>
+ <desc>
+ <marker id="default_index"></marker>
+ <p>If <c>Path</c> is a directory, <c>default_index/2</c>, it starts
+ searching for resources or files that are specified in the config
+ directive DirectoryIndex.
+ If an appropriate resource or file is found, it is appended to
+ the end of <c>Path</c> and then returned. <c>Path</c> is
+ returned unaltered, if no appropriate
+ file is found, or if <c>Path</c> is not a directory.
+ <c>config_db()</c> is the server config file in ETS table format
+ as described in
+ <seealso marker="http_server">Inets Users Guide.</seealso>.</p>
+ </desc>
+ </func>
+ <func>
+ <name>path(PathData, ConfigDB, RequestURI) -> Path</name>
+ <fsummary>Return the actual file path to a URL.</fsummary>
+ <type>
+ <v>PathData = interaction_data()</v>
+ <v>ConfigDB = config_db()</v>
+ <v>RequestURI = Path = string()</v>
+ </type>
+ <desc>
+ <marker id="path"></marker>
+ <p><c>path/3</c> returns the actual file <c>Path</c> in the
+ <c>RequestURI</c> (See RFC 1945). If the interaction data
+ <c>{real_name,{Path,AfterPath}}</c> has been exported by
+ mod_alias;
+ <c>Path</c> is returned. If no interaction data has been
+ exported, ServerRoot is used to
+ generate a file <c>Path</c>. <c>config_db()</c> and
+ <c>interaction_data()</c> are as defined in <seealso marker="http_server">Inets Users Guide</seealso>.</p>
+ </desc>
+ </func>
+ <func>
+ <name>real_name(ConfigDB, RequestURI, Aliases) -> Ret</name>
+ <fsummary>Expand a request uri using Alias config directives.</fsummary>
+ <type>
+ <v>ConfigDB = config_db()</v>
+ <v>RequestURI = string()</v>
+ <v>Aliases = [{FakeName,RealName}]</v>
+ <v>Ret = {ShortPath,Path,AfterPath}</v>
+ <v>ShortPath = Path = AfterPath = string()</v>
+ </type>
+ <desc>
+ <marker id="real_name"></marker>
+ <p><c>real_name/3</c> traverses <c>Aliases</c>, typically
+ extracted from <c>ConfigDB</c>, and matches each
+ <c>FakeName</c> with <c>RequestURI</c>. If a match is found
+ <c>FakeName</c> is replaced with <c>RealName</c> in the
+ match. The resulting path is split into two parts, that
+ is <c>ShortPath</c> and <c>AfterPath</c> as defined in <seealso marker="httpd_util#split_path">httpd_util:split_path/1</seealso>.
+ <c>Path</c> is generated from <c>ShortPath</c>, that is
+ the result from <seealso marker="#default_index">default_index/2</seealso> with
+ <c>ShortPath</c> as an argument.
+ <c>config_db()</c> is the server config file in ETS table
+ format as described in <seealso marker="http_server">Inets User Guide.</seealso>. </p>
+ </desc>
+ </func>
+ <func>
+ <name>real_script_name(ConfigDB,RequestURI,ScriptAliases) -> Ret</name>
+ <fsummary>Expand a request uri using ScriptAlias config directives.</fsummary>
+ <type>
+ <v>ConfigDB = config_db()</v>
+ <v>RequestURI = string()</v>
+ <v>ScriptAliases = [{FakeName,RealName}]</v>
+ <v>Ret = {ShortPath,AfterPath} | not_a_script</v>
+ <v>ShortPath = AfterPath = string()</v>
+ </type>
+ <desc>
+ <marker id="real_script_name"></marker>
+ <p><c>real_name/3</c> traverses <c>ScriptAliases</c>,
+ typically extracted from <c>ConfigDB</c>, and matches each
+ <c>FakeName</c> with <c>RequestURI</c>. If a match is found
+ <c>FakeName</c> is replaced with <c>RealName</c> in the
+ match. If the resulting match is not an executable script
+ <c>not_a_script</c> is returned. If it is a script the
+ resulting script path is in two parts, that is
+ <c>ShortPath</c> and <c>AfterPath</c> as defined in <seealso marker="httpd_util#split_script_path">httpd_util:split_script_path/1</seealso>.
+ <c>config_db()</c> is the server config file in ETS table
+ format as described in <seealso marker="http_server">Inets Users Guide.</seealso>.</p>
+ </desc>
+ </func>
+ </funcs>
+
+</erlref>
+
+