legacy PHP routing, fast_cgi fixes

public/assets/js/app.js

@@ -50,6 +50,7 @@
 		php:				true,
 		php_server:			'/var/run/php/php7.2-fpm.sock',
 		php_server_backup:	'',
+		php_legacy_routing:	false,
 		wordpress:			false,
 		drupal:				false,
 		magento:			false,
@@ -531,6 +532,10 @@
 			return $scope.data.fallback_php && $scope.isPHP();
 		};
 
+		$scope.isLegacyPHPRouting = function() {
+			return $scope.isPHP() && $scope.data.php_legacy_routing;
+		};
+
 		$scope.isPHP = function() {
 			return $scope.data.php;
 		};

public/index.html

@@ -538,6 +538,17 @@
 											ng-class="{ 'input-changed': data.fallback_php_path !== defaultData.fallback_php_path }">
 									</div>
 								</div>
+								<div class="form-group row" ng-if="isPHP()">
+									<label class="col-sm-3 col-form-label col-form-label-sm">
+											<span tooltips tooltip-template="Handle legacy (non-pretty) (<code>foo.php/bar/baz</code>) routes.">Legacy PHP routing</span>
+									</label>
+									<div class="col-sm-9">
+										<div class="form-check" ng-class="{ 'input-changed': data.php_legacy_routing !== defaultData.php_legacy_routing }">
+											<input class="form-check-input" type="checkbox" id="php_legacy_routing" ng-model="data.php_legacy_routing">
+											<label class="form-check-label" for="php_legacy_routing">enabled</label>
+										</div>
+									</div>
+								</div>
 							</div>
 							<div class="tab-pane tab-cache" ng-class="{ 'active': tab === 'cache' }">
 								<div class="form-group row">

public/templates/conf/nginxconfig.io/php_fastcgi.conf.html

@@ -1,17 +1,26 @@
+<!--
+✔ Legacy PHP routing --><span ng-if="isLegacyPHPRouting()"><!--
+--># split path
+fastcgi_split_path_info ^(.+\.php)(/.+)$;
+set $_fastcgi_path_info $fastcgi_path_info;
+
+</span><!--
+
+--># 404
+try_files $fastcgi_script_name =404;
+
 # default fastcgi_params
 include fastcgi_params;
 
 # fastcgi settings
-fastcgi_pass					{{ !isPHPBackup() ? ((data.php_server[0] === '/' ? 'unix:' : '') + data.php_server) : 'php' }};
-fastcgi_index					index.php;
-fastcgi_split_path_info			^(.+\.php)(/.+)$;
+fastcgi_pass			{{ !isPHPBackup() ? ((data.php_server[0] === '/' ? 'unix:' : '') + data.php_server) : 'php' }};
+fastcgi_index			index.php;
+fastcgi_buffers			8 16k;
+fastcgi_buffer_size		32k;
 
+# fastcgi params
 fastcgi_param DOCUMENT_ROOT		$realpath_root;
-fastcgi_param SCRIPT_FILENAME	$realpath_root$fastcgi_script_name;
+fastcgi_param SCRIPT_FILENAME	$realpath_root$fastcgi_script_name;<!--
+✔ Legacy PHP routing --><span ng-if="isLegacyPHPRouting()">
+fastcgi_param PATH_INFO			$_fastcgi_path_info;</span>
 fastcgi_param PHP_ADMIN_VALUE	"open_basedir=$base/:/usr/lib/php/:/tmp/";
-
-fastcgi_intercept_errors		off;
-fastcgi_buffer_size				128k;
-fastcgi_buffers					256 16k;
-fastcgi_busy_buffers_size		256k;
-fastcgi_temp_file_write_size	256k;

public/templates/conf/nginxconfig.io/wordpress.conf.html

@@ -1,6 +1,5 @@
 # WordPress: allow TinyMCE
 location = /wp-includes/js/tinymce/wp-tinymce.php {
-	try_files $uri =404;
 	include nginxconfig.io/php_fastcgi.conf;
 }
 
@@ -32,6 +31,5 @@ location ~* ^/(?:xmlrpc\.php|wp-links-opml\.php|wp-config\.php|wp-config-sample\
 # WordPress: throttle wp-login.php
 location = /wp-login.php {
 	limit_req zone=login burst=2 nodelay;
-	try_files $uri =404;
 	include nginxconfig.io/php_fastcgi.conf;
 }</span>

public/templates/conf/sites-available/example.com.conf.html

@@ -85,14 +85,12 @@ server {<!--
 	✔ PHP --><span ng-if="isPHP()">
 
 	# handle .php
-	location ~ \.php$ {
-		try_files $uri =404;<!--
+	location ~ {{ isLegacyPHPRouting() ? '[^/]\\.php(/|$)' : '\\.php$' }} {<!--
 
 	✔ modularized || ✔ WordPress --><span ng-if="isModularized() || isWordPress()">
 		include nginxconfig.io/php_fastcgi.conf;</span><!--
 
 	✔ unified && ✘ WordPress --><span ng-if="isUnified() && !isWordPress()">
-
 	<ng-include ng-include-tabs="{{ isUnified() ? 3 : 1 }}" src="'templates/conf/nginxconfig.io/php_fastcgi.conf.html?v=COMMIT_HASH'" onload="refreshHighlighting()"></ng-include></span>
 	}</span><!--