d minetest for gpcfs purposes</title>
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<td class='lines'><pre><code><span class="hl com">/*</span>
<span class="hl com">Minetest</span>
<span class="hl com">Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com></span>
<span class="hl com"></span>
<span class="hl com">This program is free software; you can redistribute it and/or modify</span>
<span class="hl com">it under the terms of the GNU Lesser General Public License as published by</span>
<span class="hl com">the Free Software Foundation; either version 2.1 of the License, or</span>
<span class="hl com">(at your option) any later version.</span>
<span class="hl com"></span>
<span class="hl com">This program is distributed in the hope that it will be useful,</span>
<span class="hl com">but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<span class="hl com">MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span>
<span class="hl com">GNU Lesser General Public License for more details.</span>
<span class="hl com"></span>
<span class="hl com">You should have received a copy of the GNU Lesser General Public License along</span>
<span class="hl com">with this program; if not, write to the Free Software Foundation, Inc.,</span>
<span class="hl com">51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.</span>
<span class="hl com">*/</span>
<span class="hl ppc">#include</span> <span class="hl pps">"lua_api/l_internal.h"</span><span class="hl ppc"></span>
<span class="hl ppc">#include</span> <span class="hl pps">"common/c_converter.h"</span><span class="hl ppc"></span>
<span class="hl ppc">#include</span> <span class="hl pps">"common/c_content.h"</span><span class="hl ppc"></span>
<span class="hl ppc">#include</span> <span class="hl pps">"lua_api/l_http.h"</span><span class="hl ppc"></span>
<span class="hl ppc">#include</span> <span class="hl pps">"httpfetch.h"</span><span class="hl ppc"></span>
<span class="hl ppc">#include</span> <span class="hl pps">"settings.h"</span><span class="hl ppc"></span>
<span class="hl ppc">#include</span> <span class="hl pps">"debug.h"</span><span class="hl ppc"></span>
<span class="hl ppc">#include</span> <span class="hl pps">"log.h"</span><span class="hl ppc"></span>
<span class="hl ppc">#include <algorithm></span>
<span class="hl ppc">#include <iomanip></span>
<span class="hl ppc">#include <cctype></span>
<span class="hl ppc">#define HTTP_API(name) \</span>
<span class="hl ppc"> lua_pushstring(L, #name); \</span>
<span class="hl ppc"> lua_pushcfunction(L, l_http_##name); \</span>
<span class="hl ppc"> lua_settable(L, -3);</span>
<span class="hl ppc">#if USE_CURL</span>
<span class="hl kwb">void</span> <span class="hl kwc">ModApiHttp</span><span class="hl opt">::</span><span class="hl kwd">read_http_fetch_request</span><span class="hl opt">(</span>lua_State <span class="hl opt">*</span>L<span class="hl opt">,</span> HTTPFetchRequest <span class="hl opt">&</span>req<span class="hl opt">)</span>
<span class="hl opt">{</span>
<span class="hl kwd">luaL_checktype</span><span class="hl opt">(</span>L<span class="hl opt">,</span> <span class="hl num">1</span><span class="hl opt">,</span> LUA_TTABLE<span class="hl opt">);</span>
req<span class="hl opt">.</span>caller <span class="hl opt">=</span> <span class="hl kwd">httpfetch_caller_alloc_secure</span><span class="hl opt">();</span>
<span class="hl kwd">getstringfield</span><span class="hl opt">(</span>L<span class="hl opt">,</span> <span class="hl num">1</span><span class="hl opt">,</span> <span class="hl str">"url"</span><span class="hl opt">,</span> req<span class="hl opt">.</span>url<span class="hl opt">);</span>
<span class="hl kwd">lua_getfield</span><span class="hl opt">(</span>L<span class="hl opt">,</span> <span class="hl num">1</span><span class="hl opt">,</span> <span class="hl str">"user_agent"</span><span class="hl opt">);</span>
<span class="hl kwa">if</span> <span class="hl opt">(</span><span class="hl kwd">lua_isstring</span><span class="hl opt">(</span>L<span class="hl opt">, -</span><span class="hl num">1</span><span class="hl opt">))</span>
req<span class="hl opt">.</span>useragent <span class="hl opt">=</span> <span class="hl kwd">getstringfield_default</span><span class="hl opt">(</span>L<span class="hl opt">,</span> <span class="hl num">1</span><span class="hl opt">,</span> <span class="hl str">"user_agent"</span><span class="hl opt">,</span> <span class="hl str">""</span><span class="hl opt">);</span>
<span class="hl kwd">lua_pop</span><span class="hl opt">(</span>L<span class="hl opt">,</span> <span class="hl num">1</span><span class="hl opt">);</span>
req<span class="hl opt">.</span>multipart <span class="hl opt">=</span> <span class="hl kwd">getboolfield_default</span><span class="hl opt">(</span>L<span class="hl opt">,</span> <span class="hl num">1</span><span class="hl opt">,</span> <span class="hl str">"multipart"</span><span class="hl opt">,</span> <span class="hl kwa">false</span><span class="hl opt">);</span>
req<span class="hl opt">.</span>timeout <span class="hl opt">=</span> <span class="hl kwd">getintfield_default</span><span class="hl opt">(</span>L<span class="hl opt">,</span> <span class="hl num">1</span><span class="hl opt">,</span> <span class="hl str">"timeout"</span><span class="hl opt">,</span> <span class="hl num">3</span><span class="hl opt">) *</span> <span class="hl num">1000</span><span class="hl opt">;</span>
<span class="hl slc">// post_data: if table, post form data, otherwise raw data</span>
<span class="hl kwd">lua_getfield</span><span class="hl opt">(</span>L<span class="hl opt">,</span> <span class="hl num">1</span><span class="hl opt">,</span> <span class="hl str">"post_data"</span><span class="hl opt">);</span>
<span class="hl kwa">if</span> <span class="hl opt">(</span><span class="hl kwd">lua_istable</span><span class="hl opt">(</span>L<span class="hl opt">,</span> <span class="hl num">2</span><span class="hl opt">)) {</span>
<span class="hl kwd">lua_pushnil</span><span class="hl opt">(</span>L<span class="hl opt">);</span>
<span class="hl kwa">while</span> <span class="hl opt">(</span><span class="hl kwd">lua_next</span><span class="hl opt">(</span>L<span class="hl opt">,</span> <span class="hl num">2</span><span class="hl opt">) !=</span> <span class="hl num">0</span><span class="hl opt">) {</span>
req<span class="hl opt">.</span>post_fields<span class="hl opt">[</span>readParam<span class="hl opt"><</span><span class="hl kwc">std</span><span class="hl opt">::</span>string<span class="hl opt">>(</span>L<span class="hl opt">, -</span><span class="hl num">2</span><span class="hl opt">)] =</span> readParam<span class="hl opt"><</span><span class="hl kwc">std</span><span class="hl opt">::</span>string<span class="hl opt">>(</span>L<span class="hl opt">, -</span><span class="hl num">1</span><span class="hl opt">);</span>
<span class="hl kwd">lua_pop</span><span class="hl opt">(</span>L<span class="hl opt">,</span> <span class="hl num">1</span><span class="hl opt">);</span>
<span class="hl opt">}</span>
<span class="hl opt">}</span> <span class="hl kwa">else if</span> <span class="hl opt">(</span><span class="hl kwd">lua_isstring</span><span class="hl opt">(</span>L<span class="hl opt">,</span> <span class="hl num">2</span><span class="hl opt">)) {</span>
req<span class="hl opt">.</span>post_data <span class="hl opt">=</span> readParam<span class="hl opt"><</span><span class="hl kwc">std</span><span class="hl opt">::</span>string<span class="hl opt">>(</span>L<span class="hl opt">,</span> <span class="hl num">2</span><span class="hl opt">);</span>
<span class="hl opt">}</span>
<span class="hl kwd">lua_pop</span><span class="hl opt">(</span>L<span class="hl opt">,</span> <span class="hl num">1</span><span class="hl opt">);</span>
<span class="hl kwd">lua_getfield</span><span class="hl opt">(</span>L<span class="hl opt">,</span> <span class="hl num">1</span><span class="hl opt">,</span> <span class="hl str">"extra_headers"</span><span class="hl opt">);</span>
<span class="hl kwa">if</span> <span class="hl opt">(</span><span class="hl kwd">lua_istable</span><span class="hl opt">(</span>L<span class="hl opt">,</span> <span class="hl num">2</span><span class="hl opt">)) {</span>
<span class="hl kwd">lua_pushnil</span><span class="hl opt">(</span>L<span class="hl opt">);</span>
<span class="hl kwa">while</span> <span class="hl opt">(</span><span class="hl kwd">lua_next</span><span class="hl opt">(</span>L<span class="hl opt">,</span> <span class="hl num">2</span><span class="hl opt">) !=</span> <span class="hl num">0</span><span class="hl opt">) {</span>
req<span class="hl opt">.</span>extra_headers<span class="hl opt">.</span><span class="hl kwd">emplace_back</span><span class="hl opt">(</span>readParam<span class="hl opt"><</span><span class="hl kwc">std</span><span class="hl opt">::</span>string<span class="hl opt">>(</span>L<span class="hl opt">, -</span><span class="hl num">1</span><span class="hl opt">));</span>
<span class="hl kwd">lua_pop</span><span class="hl opt">(</span>L<span class="hl opt">,</span> <span class="hl num">1</span><span class="hl opt">);</span>
<span class="hl opt">}</span>
<span class="hl opt">}</span>
<span class="hl kwd">lua_pop</span><span class="hl opt">(</span>L<span class="hl opt">,</span> <span class="hl num">1</span><span class="hl opt">);</span>
<span class="hl opt">}</span>
<span class="hl kwb">void</span> <span class="hl kwc">ModApiHttp</span><span class="hl opt">::</span><span class="hl kwd">push_http_fetch_result</span><span class="hl opt">(</span>lua_State <span class="hl opt">*</span>L<span class="hl opt">,</span> HTTPFetchResult <span class="hl opt">&</span>res<span class="hl opt">,</span> <span class="hl kwb">bool</span> completed<span class="hl opt">)</span>
<span class="hl opt">{</span>
<span class="hl kwd">lua_newtable</span><span class="hl opt">(</span>L<span class="hl opt">);</span>
<span class="hl kwd">setboolfield</span><span class="hl opt">(</span>L<span class="hl opt">, -</span><span class="hl num">1</span><span class="hl opt">,</span> <span class="hl str">"succeeded"</span><span class="hl opt">,</span> res<span class="hl opt">.</span>succeeded<span class="hl opt">);</span>
<span class="hl kwd">setboolfield</span><span class="hl opt">(</span>L<span class="hl opt">, -</span><span class="hl num">1</span><span class="hl opt">,</span> <span class="hl str">"timeout"</span><span class="hl opt">,</span> res<span class="hl opt">.</span>timeout<span class="hl opt">);</span>
<span class="hl kwd">setboolfield</span><span class="hl opt">(</span>L<span class="hl opt">, -</span><span class="hl num">1</span><span class="hl opt">,</span> <span class="hl str">"completed"</span><span class="hl opt">,</span> completed<span class="hl opt">);</span>
<span class="hl kwd">setintfield</span><span class="hl opt">(</span>L<span class="hl opt">, -</span><span class="hl num">1</span><span class="hl opt">,</span> <span class="hl str">"code"</span><span class="hl opt">,</span> res<span class="hl opt">.</span>response_code<span class="hl opt">);</span>
<span class="hl kwd">setstringfield</span><span class="hl opt">(</span>L<span class="hl opt">, -</span><span class="hl num">1</span><span class="hl opt">,</span> <span class="hl str">"data"</span><span class="hl opt">,</span> res<span class="hl opt">.</span>data<span class="hl opt">);</span>
<span class="hl opt">}</span>
<span class="hl slc">// http_api.fetch_async(HTTPRequest definition)</span>
<span class="hl kwb">int</span> <span class="hl kwc">ModApiHttp</span><span class="hl opt">::</span><span class="hl kwd">l_http_fetch_async</span><span class="hl opt">(</span>lua_State <span class="hl opt">*</span>L<span class="hl opt">)</span>
<span class="hl opt">{</span>
NO_MAP_LOCK_REQUIRED<span class="hl opt">;</span>
HTTPFetchRequest req<span class="hl opt">;</span>
<span class="hl kwd">read_http_fetch_request</span><span class="hl opt">(</span>L<span class="hl opt">,</span> req<span class="hl opt">);</span>
infostream <span class="hl opt"><<</span> <span class="hl str">"Mod performs HTTP request with URL "</span> <span class="hl opt"><<</span> req<span class="hl opt">.</span>url <span class="hl opt"><<</span> <span class="hl kwc">std</span><span class="hl opt">::</span>endl<span class="hl opt">;</span>
<span class="hl kwd">httpfetch_async</span><span class="hl opt">(</span>req<span class="hl opt">);</span>
<span class="hl slc">// Convert handle to hex string since lua can't handle 64-bit integers</span>
<span class="hl kwc">std</span><span class="hl opt">::</span>stringstream handle_conversion_stream<span class="hl opt">;</span>
handle_conversion_stream <span class="hl opt"><<</span> <span class="hl kwc">std</span><span class="hl opt">::</span>hex <span class="hl opt"><<</span> req<span class="hl opt">.</span>caller<span class="hl opt">;</span>
<span class="hl kwc">std</span><span class="hl opt">::</span>string <span class="hl kwd">caller_handle</span><span class="hl opt">(</span>handle_conversion_stream<span class="hl opt">.</span><span class="hl kwd">str</span><span class="hl opt">());</span>
<span class="hl kwd">lua_pushstring</span><span class="hl opt">(</span>L<span class="hl opt">,</span> caller_handle<span class="hl opt">.</span><span class="hl kwd">c_str</span><span class="hl opt">());</span>
<span class="hl kwa">return</span> <span class="hl num">1</span><span class="hl opt">;</span>
<span class="hl opt">}</span>
<span class="hl slc">// http_api.fetch_async_get(handle)</span>
<span class="hl kwb">int</span> <span class="hl kwc">ModApiHttp</span><span class="hl opt">::</span><span class="hl kwd">l_http_fetch_async_get</span><span class="hl opt">(</span>lua_State <span class="hl opt">*</span>L<span class="hl opt">)</span>
<span class="hl opt">{</span>
NO_MAP_LOCK_REQUIRED<span class="hl opt">;</span>
<span class="hl kwc">std</span><span class="hl opt">::</span>string handle_str <span class="hl opt">=</span> <span class="hl kwd">luaL_checkstring</span><span class="hl opt">(</span>L<span class="hl opt">,</span> <span class="hl num">1</span><span class="hl opt">);</span>
<span class="hl slc">// Convert hex string back to 64-bit handle</span>
u64 handle<span class="hl opt">;</span>
<span class="hl kwc">std</span><span class="hl opt">::</span>stringstream handle_conversion_stream<span class="hl opt">;</span>
handle_conversion_stream <span class="hl opt"><<</span> <span class="hl kwc">std</span><span class="hl opt">::</span>hex <span class="hl opt"><<</span> handle_str<span class="hl opt">;</span>
handle_conversion_stream <span class="hl opt">>></span> handle<span class="hl opt">;</span>
HTTPFetchResult res<span class="hl opt">;</span>
<span class="hl kwb">bool</span> completed <span class="hl opt">=</span> <span class="hl kwd">httpfetch_async_get</span><span class="hl opt">(</span>handle<span class="hl opt">,</span> res<span class="hl opt">);</span>
<span class="hl kwd">push_http_fetch_result</span><span class="hl opt">(</span>L<span class="hl opt">,</span> res<span class="hl opt">,</span> completed<span class="hl opt">);</span>
<span class="hl kwa">return</span> <span class="hl num">1</span><span class="hl opt">;</span>
<span class="hl opt">}</span>
<span class="hl kwb">int</span> <span class="hl kwc">ModApiHttp</span><span class="hl opt">::</span><span class="hl kwd">l_request_http_api</span><span class="hl opt">(</span>lua_State <span class="hl opt">*</span>L<span class="hl opt">)</span>
<span class="hl opt">{</span>
NO_MAP_LOCK_REQUIRED<span class="hl opt">;</span>
<span class="hl slc">// We have to make sure that this function is being called directly by</span>
<span class="hl slc">// a mod, otherwise a malicious mod could override this function and</span>
<span class="hl slc">// steal its return value.</span>
lua_Debug info<span class="hl opt">;</span>
<span class="hl slc">// Make sure there's only one item below this function on the stack...</span>
<span class="hl kwa">if</span> <span class="hl opt">(</span><span class="hl kwd">lua_getstack</span><span class="hl opt">(</span>L<span class="hl opt">,</span> <span class="hl num">2</span><span class="hl opt">, &</span>info<span class="hl opt">)) {</span>
<span class="hl kwa">return</span> <span class="hl num">0</span><span class="hl opt">;</span>
<span class="hl opt">}</span>
<span class="hl kwd">FATAL_ERROR_IF</span><span class="hl opt">(!</span><span class="hl kwd">lua_getstack</span><span class="hl opt">(</span>L<span class="hl opt">,</span> <span class="hl num">1</span><span class="hl opt">, &</span>info<span class="hl opt">),</span> <span class="hl str">"lua_getstack() failed"</span><span class="hl opt">);</span>
<span class="hl kwd">FATAL_ERROR_IF</span><span class="hl opt">(!</span><span class="hl kwd">lua_getinfo</span><span class="hl opt">(</span>L<span class="hl opt">,</span> <span class="hl str">"S"</span><span class="hl opt">, &</span>info<span class="hl opt">),</span> <span class="hl str">"lua_getinfo() failed"</span><span class="hl opt">);</span>
<span class="hl slc">// ...and that that item is the main file scope.</span>
<span class="hl kwa">if</span> <span class="hl opt">(</span><span class="hl kwd">strcmp</span><span class="hl opt">(</span>info<span class="hl opt">.</span>what<span class="hl opt">,</span> <span class="hl str">"main"</span><span class="hl opt">) !=</span> <span class="hl num">0</span><span class="hl opt">) {</span>
<span class="hl kwa">return</span> <span class="hl num">0</span><span class="hl opt">;</span>
<span class="hl opt">}</span>
<span class="hl slc">// Mod must be listed in secure.http_mods or secure.trusted_mods</span>
<span class="hl kwd">lua_rawgeti</span><span class="hl opt">(</span>L<span class="hl opt">,</span> LUA_REGISTRYINDEX<span class="hl opt">,</span> CUSTOM_RIDX_CURRENT_MOD_NAME<span class="hl opt">);</span>
<span class="hl kwa">if</span> <span class="hl opt">(!</span><span class="hl kwd">lua_isstring</span><span class="hl opt">(</span>L<span class="hl opt">, -</span><span class="hl num">1</span><span class="hl opt">)) {</span>
<span class="hl kwa">return</span> <span class="hl num">0</span><span class="hl opt">;</span>
<span class="hl opt">}</span>
<span class="hl kwc">std</span><span class="hl opt">::</span>string mod_name <span class="hl opt">=</span> readParam<span class="hl opt"><</span><span class="hl kwc">std</span><span class="hl opt">::</span>string<span class="hl opt">>(</span>L<span class="hl opt">, -</span><span class="hl num">1</span><span class="hl opt">);</span>
<span class="hl kwc">std</span><span class="hl opt">::</span>string http_mods <span class="hl opt">=</span> g_settings<span class="hl opt">-></span><span class="hl kwd">get</span><span class="hl opt">(</span><span class="hl str">"secure.http_mods"</span><span class="hl opt">);</span>
http_mods<span class="hl opt">.</span><span class="hl kwd">erase</span><span class="hl opt">(</span><span class="hl kwc">std</span><span class="hl opt">::</span><span class="hl kwd">remove</span><span class="hl opt">(</span>http_mods<span class="hl opt">.</span><span class="hl kwd">begin</span><span class="hl opt">(),</span> http_mods<span class="hl opt">.</span><span class="hl kwd">end</span><span class="hl opt">(),</span> <span class="hl str">' '</span><span class="hl opt">),</span> http_mods<span class="hl opt">.</span><span class="hl kwd">end</span><span class="hl opt">());</span>
<span class="hl kwc">std</span><span class="hl opt">::</span>vector<span class="hl opt"><</span><span class="hl kwc">std</span><span class="hl opt">::</span>string<span class="hl opt">></span> mod_list_http <span class="hl opt">=</span> <span class="hl kwd">str_split</span><span class="hl opt">(</span>http_mods<span class="hl opt">,</span> <span class="hl str">','</span><span class="hl opt">);</span>
<span class="hl kwc">std</span><span class="hl opt">::</span>string trusted_mods <span class="hl opt">=</span> g_settings<span class="hl opt">-></span><span class="hl kwd">get</span><span class="hl opt">(</span><span class="hl str">"secure.trusted_mods"</span><span class="hl opt">);</span>
trusted_mods<span class="hl opt">.</span><span class="hl kwd">erase</span><span class="hl opt">(</span><span class="hl kwc">std</span><span class="hl opt">::</span><span class="hl kwd">remove</span><span class="hl opt">(</span>trusted_mods<span class="hl opt">.</span><span class="hl kwd">begin</span><span class="hl opt">(),</span> trusted_mods<span class="hl opt">.</span><span class="hl kwd">end</span><span class="hl opt">(),</span> <span class="hl str">' '</span><span class="hl opt">),</span> trusted_mods<span class="hl opt">.</span><span class="hl kwd">end</span><span class="hl opt">());</span>
<span class="hl kwc">std</span><span class="hl opt">::</span>vector<span class="hl opt"><</span><span class="hl kwc">std</span><span class="hl opt">::</span>string<span class="hl opt">></span> mod_list_trusted <span class="hl opt">=</span> <span class="hl kwd">str_split</span><span class="hl opt">(</span>trusted_mods<span class="hl opt">,</span> <span class="hl str">','</span><span class="hl opt">);</span>
mod_list_http<span class="hl opt">.</span><span class="hl kwd">insert</span><span class="hl opt">(</span>mod_list_http<span class="hl opt">.</span><span class="hl kwd">end</span><span class="hl opt">(),</span> mod_list_trusted<span class="hl opt">.</span><span class="hl kwd">begin</span><span class="hl opt">(),</span> mod_list_trusted<span class="hl opt">.</span><span class="hl kwd">end</span><span class="hl opt">());</span>
<span class="hl kwa">if</span> <span class="hl opt">(</span><span class="hl kwc">std</span><span class="hl opt">::</span><span class="hl kwd">find</span><span class="hl opt">(</span>mod_list_http<span class="hl opt">.</span><span class="hl kwd">begin</span><span class="hl opt">(),</span> mod_list_http<span class="hl opt">.</span><span class="hl kwd">end</span><span class="hl opt">(),</span> mod_name<span class="hl opt">) ==</span> mod_list_http<span class="hl opt">.</span><span class="hl kwd">end</span><span class="hl opt">()) {</span>
<span class="hl kwd">lua_pushnil</span><span class="hl opt">(</span>L<span class="hl opt">);</span>
<span class="hl kwa">return</span> <span class="hl num">1</span><span class="hl opt">;</span>
<span class="hl opt">}</span>
<span class="hl kwd">lua_getglobal</span><span class="hl opt">(</span>L<span class="hl opt">,</span> <span class="hl str">"core"</span><span class="hl opt">);</span>
<span class="hl kwd">lua_getfield</span><span class="hl opt">(</span>L<span class="hl opt">, -</span><span class="hl num">1</span><span class="hl opt">,</span> <span class="hl str">"http_add_fetch"</span><span class="hl opt">);</span>
<span class="hl kwd">lua_newtable</span><span class="hl opt">(</span>L<span class="hl opt">);</span>
<span class="hl kwd">HTTP_API</span><span class="hl opt">(</span>fetch_async<span class="hl opt">);</span>
<span class="hl kwd">HTTP_API</span><span class="hl opt">(</span>fetch_async_get<span class="hl opt">);</span>
<span class="hl slc">// Stack now looks like this:</span>
<span class="hl slc">// <core.http_add_fetch> <table with fetch_async, fetch_async_get></span>
<span class="hl slc">// Now call core.http_add_fetch to append .fetch(request, callback) to table</span>
<span class="hl kwd">lua_call</span><span class="hl opt">(</span>L<span class="hl opt">,</span> <span class="hl num">1</span><span class="hl opt">,</span> <span class="hl num">1</span><span class="hl opt">);</span>
<span class="hl kwa">return</span> <span class="hl num">1</span><span class="hl opt">;</span>
<span class="hl opt">}</span>
<span class="hl ppc">#endif</span>
<span class="hl kwb">void</span> <span class="hl kwc">ModApiHttp</span><span class="hl opt">::</span><span class="hl kwd">Initialize</span><span class="hl opt">(</span>lua_State <span class="hl opt">*</span>L<span class="hl opt">,</span> <span class="hl kwb">int</span> top<span class="hl opt">)</span>
<span class="hl opt">{</span>
<span class="hl ppc">#if USE_CURL</span>
<span class="hl kwd">API_FCT</span><span class="hl opt">(</span>request_http_api<span class="hl opt">);</span>
<span class="hl ppc">#endif</span>
<span class="hl opt">}</span>
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