Pepperminty-Wiki/pack.php

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<?php
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
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// If this script is called directly, it must be because of the downloader.
// If this script is to be called directly, it MUST have been called previously
// via build.php at least once first.
if(!isset($paths)) {
$paths = new stdClass();
$paths->extra_data_directory = "build/._extra_data";
}
$theme_id = getenv("PEPPERMINT_THEME");
if(strlen($theme_id) == 0) $theme_id = "default";
if(isset($_GET["determine-latest-version"])) {
header("content-type: application/json");
exit(json_encode([
"latest_version" => trim(file_get_contents("https://raw.githubusercontent.com/sbrl/Pepperminty-Wiki/master/version")),
"local_version" => trim(file_get_contents("version"))
]));
}
/**
* Logs a string to stdout, but only on the CLI.
* @param string $line The line to log.
*/
function log_str(string $line) {
if(php_sapi_name() == "cli")
echo($line);
//else error_log($line);
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}
/*
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*/
log_str("Building with theme '$theme_id'.\n");
log_str("*** Beginning main build sequence ***\n");
log_str("Reading in module index...\n");
if(isset($_GET["modules"]))
$requested_modules = explode(",", $_GET["modules"]);
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$module_index = json_decode(file_get_contents("module_index.json"));
$module_list = [];
foreach($module_index as $module) {
/*
* If:
* - The module is optional
* - ...AND we're on the command line
* - ...AND the module isn't specified in the CLI arguments
* - ...AND the special keyword "all" isn't specified in the CLI arguments
* ....then skip it.
*/
if(
php_sapi_name() == "cli" &&
$module->optional &&
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(
isset($argv) &&
strrpos(implode(" ", $argv), $module->id) === false &&
!in_array("all", $argv)
)
)
continue;
/*
* If:
* - We're NOT on the command line
* - ...AND the module isn't requested
* ...then skip it.
*/
if(php_sapi_name() != "cli" && !in_array($module->id, $requested_modules))
continue;
$module_list[] = $module;
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}
/*
██████ ███████ ██████ ███████ ███ ██ ██████ ███████ ███ ██ ██████ ██ ██
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*/
function module_list_search(array $list, string $id) : bool {
foreach($list as $item) {
if($item->id === $id)
return true;
}
return false;
}
function module_list_find(array $list, string $id) {
foreach($list as $item) {
if($item->id === $id)
return $item;
}
return null;
}
log_str("Scanning for dependencies...\n");
$module_count = count($module_list);
for($i = 0; $i < $module_count; $i++) {
foreach($module_list[$i]->depends as $dependency) {
log_str("scanning {$module_list[$i]->id}: $dependency\n");
if(!module_list_search($module_list, $dependency)) {
log_str("Adding missing dependency $dependency for {$module_list[$i]->id}\n\n");
$missing_dependency = module_list_find($module_index, $dependency);
if($missing_dependency == null) {
if(php_sapi_name() != "cli") header("content-type: text/plain");
echo("Error: {$module_list[$i]->id} requires $dependency as a dependency, but it couldn't be found in the module index. This looks like a bug.\n");
if(php_sapi_name() == "cli") exit(2);
else exit();
}
$module_list[] = $missing_dependency;
$module_count++;
}
else {
log_str("present, no action needed\n");
}
}
}
if(php_sapi_name() != "cli") {
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header("content-type: text/php");
header("content-disposition: attachment; filename=\"index.php\"");
}
/*
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*/
log_str("Reading in core files...\n");
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$core_files_list = glob("core/*.php"); natsort($core_files_list);
$core = "<?php\n";
foreach($core_files_list as $core_filename)
$core .= str_replace([ "<?php", "?>" ], "", file_get_contents($core_filename));
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$core = str_replace([
"{version}",
"{commit}",
"{guiconfig}",
"{default-css}"
], [
trim(file_get_contents("version")),
exec("git rev-parse HEAD"),
trim(file_get_contents("peppermint.guiconfig.json")),
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trim(file_get_contents("themes/$theme_id/theme.css"))
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], $core);
$result = $core;
/*
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*/
$extra_data_archive = new ZipArchive();
// Use dev/shm if possible (it's *always* in memory). PHP will default to the system's temporary directory if it's not available
$temp_filename = tempnam("/dev/shm", "pepperminty-wiki-pack");
if($extra_data_archive->open($temp_filename, ZipArchive::CREATE) !== true) {
http_response_code(503);
exit("Error: Failed to create temporary stream to store packing information");
}
$module_list_count = count($module_list);
$i = 1;
foreach($module_list as $module)
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{
if($module->id == "") continue;
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log_str("[$i / $module_list_count] Adding $module->id \r");
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$module_filepath = "modules/" . preg_replace("[^a-zA-Z0-9\-]", "", $module->id) . ".php";
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//log_str("id: $module->id | filepath: $module_filepath\n");
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if(!file_exists($module_filepath)) {
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http_response_code(400);
exit("Failed to load module with name: $module_filepath");
}
// Pack the module's source code
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$modulecode = file_get_contents($module_filepath);
$modulecode = str_replace([ "<?php", "?>" ], "", $modulecode);
$result = str_replace(
"// %next_module% //",
"$modulecode\n// %next_module% //",
$result
);
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// Pack the extra files that were downloaded in build.php
foreach($module->extra_data as $filepath_pack => $extra_data_item) {
if(is_string($extra_data_item)) {
// TODO: Test whether this works for urls. If not, then we'll need to implement a workaround
log_str("\n[pack] $paths->extra_data_directory/$module->id/$filepath_pack -> $module->id/$filepath_pack\n");
$extra_data_archive->addFile("$paths->extra_data_directory/$module->id/$filepath_pack", "$module->id/$filepath_pack");
}
}
$i++;
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}
log_str("\n");
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$extra_data_archive->close();
/*
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*/
$archive_stream = fopen($temp_filename, "r");
$output_stream = null;
if(php_sapi_name() == "cli") {
if(file_exists("build/index.php")) {
log_str("index.php already exists in the build folder, exiting\n");
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exit(1);
}
log_str("Done. Saving to disk...");
$output_stream = fopen("build/index.php", "w");
log_str("complete!\n");
log_str("*** Build completed! ***\n");
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}
else {
$output_stream = fopen("php://output", "w");
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}
// Write the built code
fwrite($output_stream, $result);
// Write the delimiter
fwrite($output_stream, "__halt_compiler();");
// Write the extra data
stream_copy_to_stream($archive_stream, $output_stream);
// Cleanup
unlink($temp_filename);
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?>