[phpwiki-checkins] SF.net SVN: phpwiki:[10313] trunk/lib/plugin/TeX2png.php

[<var...@us...>]

Revision: 10313
          http://sourceforge.net/p/phpwiki/code/10313
Author:   vargenau
Date:     2021-06-22 13:21:55 +0000 (Tue, 22 Jun 2021)
Log Message:
-----------
lib/plugin/TeX2png.php: Check if the needed binaries are available

Modified Paths:
--------------
    trunk/lib/plugin/TeX2png.php

Modified: trunk/lib/plugin/TeX2png.php
===================================================================
--- trunk/lib/plugin/TeX2png.php	2021-06-22 09:09:11 UTC (rev 10312)
+++ trunk/lib/plugin/TeX2png.php	2021-06-22 13:21:55 UTC (rev 10313)
@@ -221,6 +221,23 @@
      */
     function run($dbi, $argstr, &$request, $basepage)
     {
+        // Check if the needed binaries are available
+        if (!file_exists($this->latexbin)) {
+            return HTML::span(array('class' => 'error'),
+                              fmt("Cannot run %1s plugin, “%2s” does not exist",
+                                  "TeX2png", $this->latexbin));
+        }
+        if (!file_exists($this->dvipsbin)) {
+            return HTML::span(array('class' => 'error'),
+                              fmt("Cannot run %1s plugin, “%2s” does not exist",
+                                  "TeX2png", $this->dvipsbin));
+        }
+        if (!file_exists($this->pstoimgbin)) {
+            return HTML::span(array('class' => 'error'),
+                              fmt("Cannot run %1s plugin, “%2s” does not exist",
+                                  "TeX2png", $this->pstoimgbin));
+        }
+
         // if imagepath does not exist, try to create it
         if (!file_exists($this->imagepath)) {
             if (mkdir($this->imagepath, 0777, true) === false) {

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