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git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1367512 13f79535-47bb-0310-9956-ffa450edef68
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Daniel Gruno
2012-07-31 12:03:29 +00:00
parent ea71351b89
commit c32773be6d
9 changed files with 63 additions and 13 deletions
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60
docs/manual/mod/mod_lua.html.en
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@ -537,14 +537,23 @@ end
<p>After a lua function has been registered as authorization provider, it can be used
with the <code class="directive"><a href="../mod/mod_authz_core.html#require">Require</a></code> directive:</p>
<div class="example"><pre class="prettyprint lang-config">
<pre class="prettyprint lang-config">
LuaRoot /usr/local/apache2/lua
LuaAuthzProvider foo authz.lua authz_check_foo
&lt;Location /&gt;
Require foo bar
Require foo johndoe
&lt;/Location&gt;
</pre>
</div>
<pre class="prettyprint lang-lua">
require "apache2"
function authz_check_foo(r, who)
if r.user ~= who then return apache2.AUTHZ_DENIED
return apache2.AUTHZ_GRANTED
end
</pre>
</div>
@ -666,7 +675,7 @@ end
<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
<div class="directive-section"><h2><a name="LuaHookFixups" id="LuaHookFixups">LuaHookFixups</a> <a name="luahookfixups" id="luahookfixups">Directive</a></h2>
<table class="directive">
<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Provide a hook for the fixups phase of request
<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Provide a hook for the fixups phase of a request
processing</td></tr>
<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>LuaHookFixups /path/to/lua/script.lua hook_function_name</code></td></tr>
<tr><th><a href="directive-dict.html#Context">Context:</a></th><td>server config, virtual host, directory, .htaccess</td></tr>
@ -699,7 +708,48 @@ processing</td></tr>
<tr><th><a href="directive-dict.html#Override">Override:</a></th><td>All</td></tr>
<tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Experimental</td></tr>
<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_lua</td></tr>
</table><p>...</p>
</table>
<p>Like <code class="directive">LuaHookTranslateName</code> but executed at the
map-to-storage phase of a request. Modules like mod_cache run at this phase,
which makes for an interesting example on what to do here:</p>
<pre class="prettyprint lang-config">
LuaHookMapToStorage /path/to/lua/script.lua check_cache
</pre>
<pre class="prettyprint lang-lua">
require"apache2"
cached_files = {}
function read_file(filename)
local input = io.open(filename, "r")
if input then
local data = input:read("*a")
cached_files[filename] = data
file = cached_files[filename]
input:close()
end
return cached_files[filename]
end
function check_cache(r)
if r.filename:match("%.png$") then -- Only match PNG files
local file = cached_files[r.filename] -- Check cache entries
if not file then
file = read_file(r.filename) -- Read file into cache
end
if file then -- If file exists, write it out
r.status = 200
r:write(file)
r:info(("Sent %s to client from cache"):format(r.filename))
return apache2.DONE -- skip default handler for PNG files
end
end
return apache2.DECLINED -- If we had nothing to do, let others serve this.
end
</pre>
</div>
<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
<div class="directive-section"><h2><a name="LuaHookTranslateName" id="LuaHookTranslateName">LuaHookTranslateName</a> <a name="luahooktranslatename" id="luahooktranslatename">Directive</a></h2>