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MDL-48213 filter_algebra,filter_tex: Require sesskey for debug actions

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This commit is contained in:
Daniel Thies 2014-12-18 16:30:52 -06:00
parent 35fc96ae2e
commit ece1e519f6
2 changed files with 26 additions and 19 deletions
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40
filter/algebra/algebradebug.php
View File

@ -12,20 +12,21 @@
require_once($CFG->libdir.'/filelib.php');
require_once($CFG->dirroot.'/filter/tex/lib.php');
$action = optional_param('action', '', PARAM_ALPHANUM);
$algebra = optional_param('algebra', '', PARAM_RAW);
require_login();
require_capability('moodle/site:config', context_system::instance());
if ($action || $algebra) {
require_sesskey();
}
$query = urldecode($_SERVER['QUERY_STRING']);
if ($query) {
$output = $query;
$splitpos = strpos($query,'&')-8;
$algebra = substr($query,8,$splitpos);
if ($algebra && $action) {
$md5 = md5($algebra);
if (strpos($query,'ShowDB') || strpos($query,'DeleteDB')) {
if ($action == 'ShowDB' || $action == 'DeleteDB') {
$texcache = $DB->get_record("cache_filters", array("filter"=>"algebra", "md5key"=>$md5));
}
if (strpos($query,'ShowDB')) {
if ($action == 'ShowDB') {
if ($texcache) {
$output = "DB cache_filters entry for $algebra\n";
$output .= "id = $texcache->id\n";
@ -38,7 +39,7 @@
$output = "DB cache_filters entry for $algebra not found\n";
}
}
if (strpos($query,'DeleteDB')) {
if ($action == 'DeleteDB') {
if ($texcache) {
$output = "Deleting DB cache_filters entry for $algebra\n";
$result = $DB->delete_records("cache_filters", array("id"=>$texcache->id));
@ -52,17 +53,17 @@
$output = "Could not delete DB cache_filters entry for $algebra\nbecause it could not be found.\n";
}
}
if (strpos($query,'TeXStage1')) {
if ($action == 'TeXStage1') {
$output = algebra2tex($algebra);
}
if (strpos($query,'TeXStage2')) {
if ($action == 'TexStage2') {
$output = algebra2tex($algebra);
$output = refineTeX($output);
}
if (strpos($query,'ShowImage')||strpos($query,'SlashArguments')) {
if ($action == 'ShowImage'|| $action == 'SlashArguments') {
$output = algebra2tex($algebra);
$output = refineTeX($output);
if (strpos($query,'ShowImage')) {
if ($action == 'ShowImage') {
tex2image($output, $md5);
} else {
slasharguments($output, $md5);
@ -283,19 +284,20 @@ function slasharguments($texexp, $md5) {
value="sin(z)/(x^2+y^2)" />
</center>
<ol>
<li>First click on this button <input type="submit" name="ShowDB" value="Show DB Entry" />
<li>First click on this button <button type="submit" name="action" value="ShowDB">Show DB Entry</button>
to see the cache_filters database entry for this expression.</li>
<li>If the database entry looks corrupt, click on this button to delete it:
<input type="submit" name="DeleteDB" value="Delete DB Entry" /></li>
<li>Now click on this button <input type="submit" name="TeXStage1" value="First Stage Tex Translation" />.
<button type="submit" name="action" value="DeleteDB">Delete DB Entry</button></li>
<li>Now click on this button <button type="submit" name="action" value="TeXStage1">First Stage Tex Translation</button>.
A preliminary translation into TeX will appear in the box below.</li>
<li>Next click on this button <input type="submit" name="TeXStage2" value="Second Stage Tex Translation" />.
<li>Next click on this button <button type="submit" name="action" value="TexStage2">Second Stage Tex Translation</button>.
A more refined translation into TeX will appear in the box below.</li>
<li>Then click on this button <input type="submit" name="ShowImage" value="Show Image" />
<li>Then click on this button <button type="submit" name="action" value="ShowImage">Show Image</button>
to show a graphic image of the algebraic expression.</li>
<li>Finally check your slash arguments setting
<input type="submit" name="SlashArguments" value="Check Slash Arguments" /></li>
<button type="submit" name="action" value="SlashArguments">Check Slash Arguments</button></li>
</ol>
<input type="hidden" name="sesskey" value="<?php echo sesskey(); ?>" />
</form> <br /> <br />
<center>
<iframe name="inlineframe" align="middle" width="80%" height="200">

5
filter/tex/texdebug.php
View File

@ -41,6 +41,9 @@
require_login();
require_capability('moodle/site:config', context_system::instance(), $USER->id); /// Required cap to run this. MDL-18552
if ($action || $texexp) {
require_sesskey();
}
$output = '';
@ -89,6 +92,7 @@
// Action: Check Slasharguments
if ($action=='SlashArguments') {
slasharguments($texexp);
exit;
}
// Action: Show Tex command line output
@ -335,6 +339,7 @@
<label for="SlashArguments">Check slasharguments setting.</label></li>
</ol>
<input type="submit" value="Do it!" />
<input type="hidden" name="sesskey" value="<?php echo sesskey(); ?>" />
</form> <br /> <br />
<center>
<iframe name="inlineframe" align="middle" width="80%" height="200">