275 lines
8.7 KiB
JavaScript
275 lines
8.7 KiB
JavaScript
/* $Id$ */
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/**
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* Displays an confirmation box beforme to submit a "DROP/DELETE/ALTER" query.
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* This function is called while clicking links
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*
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* @param object the link
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* @param object the sql query to submit
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*
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* @return boolean whether to run the query or not
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*/
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function confirmLink(theLink, theSqlQuery)
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{
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// Confirmation is not required in the configuration file
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if (confirmMsg == '') {
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return true;
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}
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var is_confirmed = confirm(confirmMsg + ' :\n' + theSqlQuery);
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if (is_confirmed) {
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theLink.href += '&is_js_confirmed=1';
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}
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return is_confirmed;
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} // end of the 'confirmLink()' function
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/**
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* Displays an error message if a "DROP DATABASE" statement is submitted
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* while it isn't allowed, else confirms a "DROP/DELETE/ALTER" query before
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* sumitting it if required.
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* This function is called by the 'checkSqlQuery()' js function.
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*
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* @param object the form
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* @param object the sql query textarea
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*
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* @return boolean whether to run the query or not
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*
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* @see checkSqlQuery()
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*/
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function confirmQuery(theForm1, sqlQuery1)
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{
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// Confirmation is not required in the configuration file
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if (confirmMsg == '') {
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return true;
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}
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// The replace function (js1.2) isn't supported
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else if (typeof(sqlQuery1.value.replace) == 'undefined') {
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return true;
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}
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// js1.2+ -> validation with regular expressions
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else {
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// "DROP DATABASE" statement isn't allowed
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if (noDropDbMsg) {
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var drop_re = new RegExp('DROP\\s+(IF EXISTS\\s+)?DATABASE', 'i');
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if (drop_re.test(sqlQuery1.value)) {
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alert(noDropDbMsg);
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theForm1.reset();
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sqlQuery1.focus();
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return false;
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} // end if
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} // end if
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// Confirms a "DROP/DELETE/ALTER" statement
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var do_confirm_re_0 = new RegExp('DROP\\s+(IF EXISTS\\s+)?(TABLE|DATABASE)', 'i');
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var do_confirm_re_1 = new RegExp('ALTER TABLE\\s+((`[^`]+`)|([A-Za-z0-9_$]+))\\s+DROP', 'i');
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var do_confirm_re_2 = new RegExp('DELETE FROM', 'i');
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if (do_confirm_re_0.test(sqlQuery1.value)
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|| do_confirm_re_1.test(sqlQuery1.value)
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|| do_confirm_re_2.test(sqlQuery1.value)) {
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var message = (sqlQuery1.value.length > 100)
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? sqlQuery1.value.substr(0, 100) + '\n ...'
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: sqlQuery1.value;
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var is_confirmed = confirm(confirmMsg + ' :\n' + message);
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// drop/delete/alter statement is confirmed -> update the
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// "is_js_confirmed" form field so the confirm test won't be
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// run on the server side and allows to submit the form
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if (is_confirmed) {
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theForm1.elements['is_js_confirmed'].value = 1;
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return true;
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}
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// "DROP/DELETE/ALTER" statement is rejected -> do not submit
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// the form
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else {
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window.focus();
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sqlQuery1.focus();
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return false;
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} // end if (handle confirm box result)
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} // end if (display confirm box)
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} // end confirmation stuff
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return true;
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} // end of the 'confirmQuery()' function
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/**
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* Displays an error message if the user submitted the sql query form with no
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* sql query else checks for "DROP/DELETE/ALTER" statements
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*
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* @param object the form
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*
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* @return boolean always false
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*
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* @see confirmQuery()
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*/
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function checkSqlQuery(theForm)
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{
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var sqlQuery = theForm.elements['sql_query'];
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// The replace function (js1.2) isn't supported -> basic tests
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if (typeof(sqlQuery.value.replace) == 'undefined') {
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var isEmpty = (sqlQuery.value == '') ? 1 : 0;
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if (isEmpty && typeof(theForm.elements['sql_file']) != 'undefined') {
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isEmpty = (theForm.elements['sql_file'].value == '') ? 1 : 0;
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}
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if (isEmpty && typeof(theForm.elements['id_bookmark']) != 'undefined') {
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isEmpty = (theForm.elements['id_bookmark'].value == null || theForm.elements['id_bookmark'].value == '');
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}
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}
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// js1.2+ -> validation with regular expressions
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else {
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var space_re = new RegExp('\\s+');
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var isEmpty = (sqlQuery.value.replace(space_re, '') == '') ? 1 : 0;
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// Checks for "DROP/DELETE/ALTER" statements
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if (!isEmpty && !confirmQuery(theForm, sqlQuery)) {
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return false;
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}
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if (isEmpty && typeof(theForm.elements['sql_file']) != 'undefined') {
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isEmpty = (theForm.elements['sql_file'].value.replace(space_re, '') == '') ? 1 : 0;
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}
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if (isEmpty && typeof(theForm.elements['id_bookmark']) != 'undefined') {
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isEmpty = (theForm.elements['id_bookmark'].value == null || theForm.elements['id_bookmark'].value == '');
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isEmpty = (theForm.elements['id_bookmark'].selectedIndex == 0);
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}
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if (isEmpty) {
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theForm.reset();
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}
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}
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if (isEmpty) {
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sqlQuery.select();
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alert(errorMsg0);
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sqlQuery.focus();
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return false;
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}
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return true;
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} // end of the 'checkSqlQuery()' function
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/**
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* Displays an error message if an element of a form hasn't been completed and
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* should be
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*
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* @param object the form
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* @param string the name of the form field to put the focus on
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*
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* @return boolean whether the form field is empty or not
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*/
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function emptyFormElements(theForm, theFieldName)
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{
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var theField = theForm.elements[theFieldName];
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// Whether the replace function (js1.2) is supported or not
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var isRegExp = (typeof(theField.value.replace) != 'undefined');
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if (!isRegExp) {
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var isEmpty = (theField.value == '') ? 1 : 0;
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} else {
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var space_re = new RegExp('\\s+');
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var isEmpty = (theField.value.replace(space_re, '') == '') ? 1 : 0;
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}
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if (isEmpty) {
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theForm.reset();
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theField.select();
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alert(errorMsg0);
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theField.focus();
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return false;
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}
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return true;
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} // end of the 'emptyFormElements()' function
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/**
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* Ensures a value submitted in a form is numeric and is in a range
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*
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* @param object the form
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* @param string the name of the form field to check
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* @param integer the minimum authorized value
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* @param integer the maximum authorized value
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*
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* @return boolean whether a valid number has been submitted or not
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*/
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function checkFormElementInRange(theForm, theFieldName, min, max)
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{
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var theField = theForm.elements[theFieldName];
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var val = parseInt(theField.value);
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if (typeof(min) == 'undefined') {
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min = 0;
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}
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if (typeof(max) == 'undefined') {
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max = Number.MAX_VALUE;
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}
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// It's not a number
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if (isNaN(val)) {
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theField.select();
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alert(errorMsg1);
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theField.focus();
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return false;
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}
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// It's a number but it is not between min and max
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else if (val < min || val > max) {
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theField.select();
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alert(val + errorMsg2);
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theField.focus();
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return false;
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}
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// It's a valid number
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else {
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theField.value = val;
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}
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return true;
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} // end of the 'checkFormElementInRange()' function
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/**
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* Ensures the choice between 'transmit', 'gzipped' and 'bzipped' checkboxes is
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* consistant
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*
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* @param object the form
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* @param string a code for the action that causes this function to be run
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*
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* @return boolean always true
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*/
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function checkTransmitDump(theForm, theAction)
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{
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var formElts = theForm.elements;
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// 'gzipped' option has been checked
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if (theAction == 'gzip' && formElts['gzip'].checked) {
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if (!formElts['asfile'].checked) {
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theForm.elements['asfile'].checked = true;
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}
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if (typeof(formElts['bzip']) != 'undefined' && formElts['bzip'].checked) {
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theForm.elements['bzip'].checked = false;
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}
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}
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// 'bzipped' option has been checked
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else if (theAction == 'bzip' && formElts['bzip'].checked) {
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if (!formElts['asfile'].checked) {
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theForm.elements['asfile'].checked = true;
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}
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if (typeof(formElts['gzip']) != 'undefined' && formElts['gzip'].checked) {
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theForm.elements['gzip'].checked = false;
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}
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}
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// 'transmit' option has been unchecked
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else if (theAction == 'transmit' && !formElts['asfile'].checked) {
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if ((typeof(formElts['gzip']) != 'undefined' && formElts['gzip'].checked)) {
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theForm.elements['gzip'].checked = false;
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}
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if ((typeof(formElts['bzip']) != 'undefined' && formElts['bzip'].checked)) {
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theForm.elements['bzip'].checked = false;
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}
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}
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return true;
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} // end of the 'checkTransmitDump()' function
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