ttrss/modules/pref-labels.php

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<?php
// We need to accept raw SQL data in label queries, so not everything is escaped
// here, this is by design. If you don't like it, disable labels
// altogether with GLOBAL_ENABLE_LABELS = false
function module_pref_labels($link) {
if (!GLOBAL_ENABLE_LABELS) {
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print __("Sorry, labels have been administratively disabled for this installation. Please contact instance owner or edit configuration file to enable this functionality.");
return;
}
$subop = $_GET["subop"];
if ($subop == "edit") {
$label_id = db_escape_string($_GET["id"]);
$result = db_query($link, "SELECT sql_exp,description FROM ttrss_labels WHERE
owner_uid = ".$_SESSION["uid"]." AND id = '$label_id' ORDER by description");
$line = db_fetch_assoc($result);
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$sql_exp = htmlspecialchars($line["sql_exp"]);
$description = htmlspecialchars($line["description"]);
print "<div id=\"infoBoxTitle\">Label editor</div>";
print "<div class=\"infoBoxContents\">";
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print "<form id=\"label_edit_form\" onsubmit='return false'>";
print "<input type=\"hidden\" name=\"op\" value=\"pref-labels\">";
print "<input type=\"hidden\" name=\"id\" value=\"$label_id\">";
print "<input type=\"hidden\" name=\"subop\" value=\"editSave\">";
print "<table width='100%'>";
print "<tr><td>Caption:</td>
<td><input onkeypress=\"return filterCR(event, labelEditSave)\"
onkeyup=\"toggleSubmitNotEmpty(this, 'infobox_submit')\"
onchange=\"toggleSubmitNotEmpty(this, 'infobox_submit')\"
name=\"description\" class=\"iedit\" value=\"$description\">";
print "</td></tr>";
print "<tr><td colspan=\"2\">
<p>SQL Expression:</p>";
print "<textarea onkeyup=\"toggleSubmitNotEmpty(this, 'infobox_submit')\"
rows=\"4\" name=\"sql_exp\" class=\"iedit\">$sql_exp</textarea>";
print "</td></tr></table>";
print "</form>";
print "<div style=\"display : none\" id=\"label_test_result\"></div>";
print "<div align='right'>";
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print "<div style='float : left'>";
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print "<input type=\"submit\"
class=\"button\" onclick=\"return displayHelpInfobox(1)\"
value=\"".__('Help')."\"> ";
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print "</div>";
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$is_disabled = (strpos($_SERVER['HTTP_USER_AGENT'], 'Opera') !== FALSE) ? "disabled" : "";
print "<input $is_disabled type=\"submit\" onclick=\"return labelTest()\" value=\"Test\">
";
print "<input type=\"submit\"
id=\"infobox_submit\"
class=\"button\" onclick=\"return labelEditSave()\"
value=\"Save\"> ";
print "<input class=\"button\"
type=\"submit\" onclick=\"return labelEditCancel()\"
value=\"Cancel\">";
print "</div>";
return;
}
if ($subop == "test") {
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// no escaping here on purpose
$expr = trim($_GET["expr"]);
$descr = db_escape_string(trim($_GET["descr"]));
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$expr = str_replace(";", "", $expr);
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if (!$expr) {
print "<div>Error: SQL expression is blank.</div>";
return;
}
print "<div>";
error_reporting(0);
$result = db_query($link,
"SELECT count(ttrss_entries.id) AS num_matches
FROM ttrss_entries,ttrss_user_entries,ttrss_feeds
WHERE ($expr) AND
ttrss_user_entries.ref_id = ttrss_entries.id AND
ttrss_user_entries.feed_id = ttrss_feeds.id AND
ttrss_user_entries.owner_uid = " . $_SESSION["uid"], false);
error_reporting (DEFAULT_ERROR_LEVEL);
if (!$result) {
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print "<div class=\"labelTestError\">" . db_last_error($link) . "</div>";
print "</div>";
return;
}
$num_matches = db_fetch_result($result, 0, "num_matches");;
if ($num_matches > 0) {
if ($num_matches > 10) {
$showing_msg = ", showing first 10";
}
print "<p>Query returned <b>$num_matches</b> matches$showing_msg:</p>";
$result = db_query($link,
"SELECT ttrss_entries.title,
(SELECT title FROM ttrss_feeds WHERE id = feed_id) AS feed_title
FROM ttrss_entries,ttrss_user_entries,ttrss_feeds
WHERE ($expr) AND
ttrss_user_entries.ref_id = ttrss_entries.id
AND ttrss_user_entries.feed_id = ttrss_feeds.id
AND ttrss_user_entries.owner_uid = " . $_SESSION["uid"] . "
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ORDER BY date_entered LIMIT 10", false);
print "<ul class=\"labelTestResults\">";
$row_class = "even";
while ($line = db_fetch_assoc($result)) {
$row_class = toggleEvenOdd($row_class);
print "<li class=\"$row_class\">".$line["title"].
" <span class=\"insensitive\">(".$line["feed_title"].")</span></li>";
}
print "</ul>";
} else {
print "<p>Query didn't return any matches.</p>";
}
print "</div>";
return;
}
if ($subop == "editSave") {
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$sql_exp = db_escape_string(trim($_GET["sql_exp"]));
$descr = db_escape_string(trim($_GET["description"]));
$label_id = db_escape_string($_GET["id"]);
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$sql_exp = str_replace(";", "", $sql_exp);
$result = db_query($link, "UPDATE ttrss_labels SET
sql_exp = '$sql_exp',
description = '$descr'
WHERE id = '$label_id'");
if (db_affected_rows($link, $result) != 0) {
print_notice(T_sprintf("Saved label <b>%s</b>", htmlspecialchars($descr)));
}
}
if ($subop == "remove") {
if (!WEB_DEMO_MODE) {
$ids = split(",", db_escape_string($_GET["ids"]));
foreach ($ids as $id) {
db_query($link, "DELETE FROM ttrss_labels WHERE id = '$id'");
}
}
}
if ($subop == "add") {
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$sql_exp = db_escape_string(trim($_GET["sql_exp"]));
$description = db_escape_string($_GET["description"]);
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$sql_exp = str_replace(";", "", $sql_exp);
if (!$sql_exp || !$description) return;
$result = db_query($link,
"INSERT INTO ttrss_labels (sql_exp,description,owner_uid)
VALUES ('$sql_exp', '$description', '".$_SESSION["uid"]."')");
if (db_affected_rows($link, $result) != 0) {
print T_sprintf("Created label <b>%s</b>", htmlspecialchars($description));
}
return;
}
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set_pref($link, "_PREFS_ACTIVE_TAB", "labelConfig");
$sort = db_escape_string($_GET["sort"]);
if (!$sort || $sort == "undefined") {
$sort = "description";
}
print "<a class='helpLinkPic' href=\"javascript:displayHelpInfobox(1)\">
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<img src='images/sign_quest.gif'></a>";
print "<div class=\"prefGenericAddBox\">";
print"<input type=\"submit\" class=\"button\"
id=\"label_create_btn\"
onclick=\"return displayDlg('quickAddLabel', false)\"
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value=\"".__('Create label')."\"></div>";
$result = db_query($link, "SELECT
id,sql_exp,description
FROM
ttrss_labels
WHERE
owner_uid = ".$_SESSION["uid"]."
ORDER BY $sort");
// print "<div id=\"infoBoxShadow\"><div id=\"infoBox\">PLACEHOLDER</div></div>";
if (db_num_rows($result) != 0) {
print "<p><table width=\"100%\" cellspacing=\"0\"
class=\"prefLabelList\" id=\"prefLabelList\">";
print "<tr><td class=\"selectPrompt\" colspan=\"8\">
".__('Select:')."
<a href=\"javascript:selectPrefRows('label', true)\">".__('All')."</a>,
<a href=\"javascript:selectPrefRows('label', false)\">".__('None')."</a>
</td</tr>";
print "<tr class=\"title\">
<td width=\"5%\">&nbsp;</td>
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<td width=\"30%\"><a href=\"javascript:updateLabelList('description')\">".__('Caption')."</a></td>
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<td width=\"\"><a href=\"javascript:updateLabelList('sql_exp')\">".__('SQL Expression')."</a>
</td>
</tr>";
$lnum = 0;
while ($line = db_fetch_assoc($result)) {
$class = ($lnum % 2) ? "even" : "odd";
$label_id = $line["id"];
$edit_label_id = $_GET["id"];
if ($subop == "edit" && $label_id != $edit_label_id) {
$class .= "Grayed";
$this_row_id = "";
} else {
$this_row_id = "id=\"LILRR-$label_id\"";
}
print "<tr class=\"$class\" $this_row_id>";
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$line["sql_exp"] = htmlspecialchars($line["sql_exp"]);
$line["description"] = htmlspecialchars($line["description"]);
if (!$line["description"]) $line["description"] = "[No caption]";
print "<td align='center'><input onclick='toggleSelectPrefRow(this, \"label\");'
type=\"checkbox\" id=\"LICHK-".$line["id"]."\"></td>";
print "<td><a href=\"javascript:editLabel($label_id);\">" .
$line["description"] . "</td>";
print "<td><a href=\"javascript:editLabel($label_id);\">" .
$line["sql_exp"] . "</td>";
print "</tr>";
++$lnum;
}
if ($lnum == 0) {
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print "<tr><td colspan=\"4\" align=\"center\">".__('No labels defined.')."</td></tr>";
}
print "</table>";
print "<p id=\"labelOpToolbar\">";
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print "<input type=\"submit\" class=\"button\" disabled=\"true\"
onclick=\"javascript:editSelectedLabel()\" value=\"".__('Edit')."\">
<input type=\"submit\" class=\"button\" disabled=\"true\"
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onclick=\"javascript:removeSelectedLabels()\" value=\"".__('Remove')."\">";
} else {
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print "<p>".__('No labels defined.')."</p>";
}
}
?>