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Diffstat (limited to 'web/lib/acctfuncs.inc.php')
| -rw-r--r-- | web/lib/acctfuncs.inc.php | 847 |
1 files changed, 847 insertions, 0 deletions
diff --git a/web/lib/acctfuncs.inc.php b/web/lib/acctfuncs.inc.php new file mode 100644 index 0000000..b2f0548 --- /dev/null +++ b/web/lib/acctfuncs.inc.php @@ -0,0 +1,847 @@ +<?php + +# Helper function- retrieve request param if available, "" otherwise +function in_request($name) { + if (isset($_REQUEST[$name])) { + return $_REQUEST[$name]; + } + return ""; +} + +# Display the standard Account form, pass in default values if any + +function display_account_form($UTYPE,$A,$U="",$T="",$S="", + $E="",$P="",$C="",$R="",$L="",$I="",$UID=0) { + # UTYPE: what user type the form is being displayed for + # A: what "form" name to use + # U: value to display for username + # T: value to display for account type + # S: value to display for account suspended + # E: value to display for email address + # P: password value + # C: confirm password value + # R: value to display for RealName + # L: value to display for Language preference + # I: value to display for IRC nick + # N: new package notify value + # UID: Users.ID value in case form is used for editing + + global $SUPPORTED_LANGS; + + print "<form action='account.php' method='post'>\n"; + print "<fieldset>"; + print "<input type='hidden' name='Action' value='".$A."' />\n"; + if ($UID) { + print "<input type='hidden' name='ID' value='".$UID."' />\n"; + } + print "</fieldset>"; + print "<table border='0' cellpadding='0' cellspacing='0' width='80%' style=\"margin:0 auto;\">\n"; + print "<tr><td colspan='2'> </td></tr>\n"; + + print "<tr>"; + print "<td align='left'>".__("Username").":</td>"; + print "<td align='left'><input type='text' size='30' maxlength='64'"; + print " name='U' value='".htmlspecialchars($U,ENT_QUOTES)."' /> (".__("required").")</td>"; + print "</tr>\n"; + + # Only TUs or Devs can promote/demote/suspend a user + if ($UTYPE == "Trusted User" || $UTYPE == "Developer") { + print "<tr>"; + print "<td align='left'>".__("Account Type").":</td>"; + print "<td align='left'><select name=T>\n"; + print "<option value='1'"; + $T == "User" ? print " selected>" : print ">"; + print __("Normal user")."\n"; + print "<option value='2'"; + $T == "Trusted User" ? print " selected>" : print ">"; + print __("Trusted user")."\n"; + + # Only developers can make another account a developer + if ($UTYPE == "Developer") { + print "<option value='3'"; + $T == "Developer" ? print " selected>" : print ">"; + print __("Developer")."\n"; + } + print "</select></td>"; + print "</tr>\n"; + + print "<tr>"; + print "<td align='left'>".__("Account Suspended").":</td>"; + print "<td align='left'><input type='checkbox' name='S'"; + if ($S) { + print " checked=\"checked\" />"; + } else { + print " />"; + } + print "</tr>\n"; + } + + print "<tr>"; + print "<td align='left'>".__("Email Address").":</td>"; + print "<td align='left'><input type='text' size='30' maxlength='64'"; + print " name='E' value='".htmlspecialchars($E,ENT_QUOTES)."' /> (".__("required").")</td>"; + print "</tr>\n"; + + print "<tr>"; + print "<td align='left'>".__("Password").":</td>"; + print "<td align='left'><input type='password' size='30' maxlength='32'"; + print " name='P' value='".$P."' />"; + if ($A != "UpdateAccount") { + print " (".__("required").")"; + } + print "</td></tr>\n"; + + print "<tr>"; + print "<td align='left'>".__("Re-type password").":</td>"; + print "<td align='left'><input type='password' size='30' maxlength='32'"; + print " name='C' value='".$C."' />"; + if ($A != "UpdateAccount") { + print " (".__("required").")"; + } + print "</td></tr>\n"; + + print "<tr>"; + print "<td align='left'>".__("Real Name").":</td>"; + print "<td align='left'><input type='text' size='30' maxlength='32'"; + print " name='R' value='".htmlspecialchars($R,ENT_QUOTES)."' /></td>"; + print "</tr>\n"; + + print "<tr>"; + print "<td align='left'>".__("IRC Nick").":</td>"; + print "<td align='left'><input type='text' size='30' maxlength='32'"; + print " name='I' value='".htmlspecialchars($I,ENT_QUOTES)."' /></td>"; + print "</tr>\n"; + + print "<tr>"; + print "<td align='left'>".__("Language").":</td>"; + print "<td align='left'><select name=L>\n"; + + reset($SUPPORTED_LANGS); + while (list($code, $lang) = each($SUPPORTED_LANGS)) { + if ($L == $code) { + print "<option value=".$code." selected> ".$lang."\n"; + } else { + print "<option value=".$code."> ".$lang."\n"; + } + } + print "</select></td>"; + print "</tr>\n"; + + print "<tr><td colspan='2'> </td></tr>\n"; + print "<tr>"; + print "<td> </td>"; + print "<td align='left'>"; + + if ($A == "UpdateAccount") { + print "<input type='submit' class='button'"; + print " value='".__("Update")."' /> "; + } else { + print "<input type='submit' class='button'"; + print " value='".__("Create")."' /> "; + } + print "<input type='reset' class='button' value='".__("Reset")."' />"; + print "</td>"; + print "</tr>\n"; + + print "</table>\n"; + print "</form>\n"; + return; +} # function display_account_form() + + +# process form input from a new/edit account form +# +function process_account_form($UTYPE,$TYPE,$A,$U="",$T="",$S="",$E="", + $P="",$C="",$R="",$L="",$I="",$UID=0) { + # UTYPE: The user's account type + # TYPE: either "edit" or "new" + # A: what parent "form" name to use + # U: value to display for username + # T: value to display for account type + # S: value to display for account suspended + # E: value to display for email address + # P: password value + # C: confirm password value + # R: value to display for RealName + # L: value to display for Language preference + # I: value to display for IRC nick + # N: new package notify value + # UID: database Users.ID value + + # error check and process request for a new/modified account + global $SUPPORTED_LANGS; + + if(isset($_COOKIE['AURSID'])) { + $editor_user = uid_from_sid($_COOKIE['AURSID']); + } + else { + $editor_user = null; + } + + $dbh = db_connect(); + $error = ""; + if (empty($E) || empty($U)) { + $error = __("Missing a required field."); + } + + if ($TYPE == "new") { + # they need password fields for this type of action + # + if (empty($P) || empty($C)) { + $error = __("Missing a required field."); + } + } else { + if (!$UID) { + $error = __("Missing User ID"); + } + } + + if (!$error && !valid_username($U) && !user_is_privileged($editor_user)) + $error = __("The username is invalid.") . "<ul>\n" + ."<li>" . __("It must be between %s and %s characters long", + USERNAME_MIN_LEN, USERNAME_MAX_LEN ) + . "</li>" + . "<li>" . __("Start and end with a letter or number") . "</li>" + . "<li>" . __("Can contain only one period, underscore or hyphen.") + . "</li>\n</ul>"; + + if (!$error && $P && $C && ($P != $C)) { + $error = __("Password fields do not match."); + } + if (!$error && $P != '' && !good_passwd($P)) + $error = __("Your password must be at least %s characters.",PASSWD_MIN_LEN); + + if (!$error && !valid_email($E)) { + $error = __("The email address is invalid."); + } + if ($UTYPE == "Trusted User" && $T == 3) { + $error = __("A Trusted User cannot assign Developer status."); + } + if (!$error && !array_key_exists($L, $SUPPORTED_LANGS)) { + $error = __("Language is not currently supported."); + } + if (!$error) { + # check to see if this username is available + # NOTE: a race condition exists here if we care... + # + $q = "SELECT COUNT(*) AS CNT FROM Users "; + $q.= "WHERE Username = '".mysql_real_escape_string($U)."'"; + if ($TYPE == "edit") { + $q.= " AND ID != ".intval($UID); + } + $result = db_query($q, $dbh); + if ($result) { + $row = mysql_fetch_array($result); + if ($row[0]) { + $error = __("The username, %h%s%h, is already in use.", + "<b>", htmlspecialchars($U,ENT_QUOTES), "</b>"); + } + } + } + if (!$error) { + # check to see if this email address is available + # NOTE: a race condition exists here if we care... + # + $q = "SELECT COUNT(*) AS CNT FROM Users "; + $q.= "WHERE Email = '".mysql_real_escape_string($E)."'"; + if ($TYPE == "edit") { + $q.= " AND ID != ".intval($UID); + } + $result = db_query($q, $dbh); + if ($result) { + $row = mysql_fetch_array($result); + if ($row[0]) { + $error = __("The address, %h%s%h, is already in use.", + "<b>", htmlspecialchars($E,ENT_QUOTES), "</b>"); + } + } + } + if ($error) { + print "<span class='error'>".$error."</span><br/>\n"; + display_account_form($UTYPE, $A, $U, $T, $S, $E, "", "", + $R, $L, $I, $UID); + } else { + if ($TYPE == "new") { + # no errors, go ahead and create the unprivileged user + $salt = generate_salt(); + $P = salted_hash($P, $salt); + $escaped = array_map('mysql_real_escape_string', + array($U, $E, $P, $salt, $R, $L, $I)); + $q = "INSERT INTO Users (" . + "AccountTypeID, Suspended, Username, Email, Passwd, Salt" . + ", RealName, LangPreference, IRCNick) " . + "VALUES (1, 0, '" . implode("', '", $escaped) . "')"; + $result = db_query($q, $dbh); + if (!$result) { + print __("Error trying to create account, %h%s%h: %s.", + "<b>", htmlspecialchars($U,ENT_QUOTES), "</b>", mysql_error($dbh)); + } else { + # account created/modified, tell them so. + # + print __("The account, %h%s%h, has been successfully created.", + "<b>", htmlspecialchars($U,ENT_QUOTES), "</b>"); + print "<p>\n"; + print __("Click on the Home link above to login."); + print "</p>\n"; + } + + } else { + # no errors, go ahead and modify the user account + + $q = "UPDATE Users SET "; + $q.= "Username = '".mysql_real_escape_string($U)."'"; + if ($T) { + $q.= ", AccountTypeID = ".intval($T); + } + if ($S) { + $q.= ", Suspended = 1"; + } else { + $q.= ", Suspended = 0"; + } + $q.= ", Email = '".mysql_real_escape_string($E)."'"; + if ($P) { + $salt = generate_salt(); + $hash = salted_hash($P, $salt); + $q .= ", Passwd = '$hash', Salt = '$salt'"; + } + $q.= ", RealName = '".mysql_real_escape_string($R)."'"; + $q.= ", LangPreference = '".mysql_real_escape_string($L)."'"; + $q.= ", IRCNick = '".mysql_real_escape_string($I)."'"; + $q.= " WHERE ID = ".intval($UID); + $result = db_query($q, $dbh); + if (!$result) { + print __("Error trying to modify account, %h%s%h: %s.", + "<b>", htmlspecialchars($U,ENT_QUOTES), "</b>", mysql_error($dbh)); + } else { + print __("The account, %h%s%h, has been successfully modified.", + "<b>", htmlspecialchars($U,ENT_QUOTES), "</b>"); + } + } + } + return; +} + +# search existing accounts +# +function search_accounts_form() { + include("search_accounts_form.php"); + return; +} + + +# search results page +# +function search_results_page($UTYPE,$O=0,$SB="",$U="",$T="", + $S="",$E="",$R="",$I="") { + # UTYPE: what account type the user belongs to + # O: what row offset we're at + # SB: how to sort the results + # U: value to display for username + # T: value to display for account type + # S: value to display for account suspended + # E: value to display for email address + # R: value to display for RealName + # I: value to display for IRC nick + + $HITS_PER_PAGE = 50; + if ($O) { + $OFFSET = intval($O); + } else { + $OFFSET = 0; + } + if ($OFFSET < 0) { + $OFFSET = 0; + } + $search_vars = array(); + + $q = "SELECT Users.*, AccountTypes.AccountType "; + $q.= "FROM Users, AccountTypes "; + $q.= "WHERE AccountTypes.ID = Users.AccountTypeID "; + if ($T == "u") { + $q.= "AND AccountTypes.ID = 1 "; + $search_vars[] = "T"; + } elseif ($T == "t") { + $q.= "AND AccountTypes.ID = 2 "; + $search_vars[] = "T"; + } elseif ($T == "d") { + $q.= "AND AccountTypes.ID = 3 "; + $search_vars[] = "T"; + } + if ($S) { + $q.= "AND Users.Suspended = 1 "; + $search_vars[] = "S"; + } + if ($U) { + $q.= "AND Username LIKE '%".mysql_real_escape_string($U)."%' "; + $search_vars[] = "U"; + } + if ($E) { + $q.= "AND Email LIKE '%".mysql_real_escape_string($E)."%' "; + $search_vars[] = "E"; + } + if ($R) { + $q.= "AND RealName LIKE '%".mysql_real_escape_string($R)."%' "; + $search_vars[] = "R"; + } + if ($I) { + $q.= "AND IRCNick LIKE '%".mysql_real_escape_string($I)."%' "; + $search_vars[] = "I"; + } + switch ($SB) { + case 't': + $q.= "ORDER BY AccountTypeID, Username "; + break; + case 'r': + $q.= "ORDER BY RealName, AccountTypeID "; + break; + case 'i': + $q.= "ORDER BY IRCNick, AccountTypeID "; + break; + case 'v': + $q.= "ORDER BY LastVoted, Username "; + break; + default: + $q.= "ORDER BY Username, AccountTypeID "; + break; + } + $search_vars[] = "SB"; + $q.= "LIMIT " . $HITS_PER_PAGE . " OFFSET " . $OFFSET; + + $dbh = db_connect(); + + $result = db_query($q, $dbh); + if (!$result) { + print __("No results matched your search criteria."); + } else { + $num_rows = mysql_num_rows($result); + if ($num_rows) { + print "<table border='0' cellpadding='0'"; + print " cellspacing='0' width='90%'"; + print " style=\"margin:0 auto\">\n"; + print "<tr>"; + print "<td colspan='2'>"; + print "<table border='0' cellpadding='0'"; + print " cellspacing='0' width='100%'>\n"; + print "<tr>"; + print "<th class='header'>"; + print "<span class='f2'>".__("Username")."</span></th>"; + print "<th class='header'>"; + print "<span class='f2'>".__("Type")."</span></th>"; + print "<th class='header'>"; + print "<span class='f2'>".__("Status")."</span></th>"; + print "<th class='header'>"; + print "<span class='f2'>".__("Real Name")."</span></th>"; + print "<th class='header'>"; + print "<span class='f2'>".__("IRC Nick")."</span></th>"; + print "<th class='header'>"; + print "<span class='f2'>".__("Last Voted")."</span></th>"; + print "<th class='header'>"; + print "<span class='f2'>".__("Edit Account")."</span></th>"; + print "</tr>\n"; + $i = 0; + while ($row = mysql_fetch_assoc($result)) { + if ($i % 2) { + $c = "data1"; + } else { + $c = "data2"; + } + print "<tr>"; + print "<td class='".$c."'>"; + print "<span class='f5'><a href='packages.php?SeB=m&K=".$row["Username"]."'>".$row["Username"]."</a></span></td>"; + print "<td class='".$c."'>"; + print "<span class='f5'>".$row["AccountType"]; + print "</span></td>"; + print "<td class='".$c."'><span class='f5'>"; + if ($row["Suspended"]) { + print __("Suspended"); + } else { + print __("Active"); + } + print "</span></td>"; + print "<td class='".$c."'><span class='f5'>"; + $row["RealName"] ? print htmlspecialchars($row["RealName"],ENT_QUOTES) : print " "; + print "</span></td>"; + print "<td class='".$c."'><span class='f5'>"; + $row["IRCNick"] ? print htmlspecialchars($row["IRCNick"],ENT_QUOTES) : print " "; + print "</span></td>"; + print "<td class='".$c."'><span class='f5'>"; + $row["LastVoted"] + ? print date("Ymd", $row["LastVoted"]) + : print __("Never"); + print "</span></td>"; + print "<td class='".$c."'><span class='f5'>"; + if ($UTYPE == "Trusted User" && $row["AccountType"] == "Developer") { + # TUs can't edit devs + # + print " </span></td>"; + } else { + $edit_url = "account.php?Action=DisplayAccount&ID=".$row["ID"]; + print "<a href='".$edit_url . "'>"; + print "Edit</a></span></td>"; + } + print "</tr>\n"; + $i++; + } + print "</table>\n"; + print "</td></tr>\n"; + + print "<tr>"; + print "<td align='left'>"; + print "<form action='account.php' method='post'>\n"; + print "<fieldset>"; + print "<input type='hidden' name='Action' value='SearchAccounts' />\n"; + print "<input type='hidden' name='O'"; + print " value='".($OFFSET-$HITS_PER_PAGE)."' />\n"; + reset($search_vars); + while (list($k, $ind) = each($search_vars)) { + print "<input type='hidden' name='".$ind."'"; + print " value='".${$ind}."' />\n"; + } + print "<input type='submit' class='button'"; + print " value='<-- ".__("Less")."' />"; + print "</fieldset>"; + print "</form>\n"; + print "</td>"; + print "<td align='right'>"; + print "<form action='account.php' method='post'>\n"; + print "<fieldset>"; + print "<input type='hidden' name='Action' value='SearchAccounts' />\n"; + print "<input type='hidden' name='O'"; + print " value='".($OFFSET+$HITS_PER_PAGE)."' />\n"; + reset($search_vars); + while (list($k, $ind) = each($search_vars)) { + print "<input type='hidden' name='".$ind."'"; + print " value='".${$ind}."' />\n"; + } + print "<input type='submit' class='button'"; + print " value='".__("More")." -->' />"; + print "</fieldset>"; + print "</form>\n"; + print "</td>"; + print "</tr>\n"; + print "</table>\n"; + } else { + print "<p style=\"text-align:center;\">\n"; + print __("No more results to display."); + print "</p>\n"; + } + } + return; +} + +# Display non-editable account info +# +function display_account_info($U="", $T="", $E="", $R="", $I="") { + # U: value to display for username + # T: value to display for account type + # E: value to display for email address + # R: value to display for RealName + # I: value to display for IRC nick + + global $SUPPORTED_LANGS; + + print "<table border='0' cellpadding='0' cellspacing='0' width='33%' style=\"margin:0 auto;\">\n"; + print " <tr>\n"; + print " <td colspan='2'> </td>\n"; + print " </tr>\n"; + + print " <tr>\n"; + print " <td align='left'>".__("Username").":</td>\n"; + print " <td align='left'>".$U."</td>\n"; + print " </tr>\n"; + + print " <tr>\n"; + print " <td align='left'>".__("Account Type").":</td>\n"; + print " <td align='left'>"; + if ($T == "User") { + print __("User"); + } elseif ($T == "Trusted User") { + print __("Trusted User"); + } elseif ($T == "Developer") { + print __("Developer"); + } + print " </td>\n"; + print " </tr>\n"; + + print " <tr>\n"; + print " <td align='left'>".__("Email Address").":</td>\n"; + print " <td align='left'><a href='mailto:".htmlspecialchars($E,ENT_QUOTES)."'>".htmlspecialchars($E,ENT_QUOTES)."</a></td>\n"; + print " </tr>\n"; + + print " <tr>\n"; + print " <td align='left'>".__("Real Name").":</td>\n"; + print " <td align='left'>".htmlspecialchars($R,ENT_QUOTES)."</td>\n"; + print " </tr>\n"; + + print " <tr>\n"; + print " <td align='left'>".__("IRC Nick").":</td>\n"; + print " <td align='left'>".htmlspecialchars($I,ENT_QUOTES)."</td>\n"; + print " </tr>\n"; + + print " <tr>\n"; + print " <td colspan='2'><a href='packages.php?K=".$U."&SeB=m'>".__("View this user's packages")."</a></td>\n"; + print " </tr>\n"; + + print "</table>\n"; + return; +} + +/* + * Returns SID (Session ID) and error (error message) in an array + * SID of 0 means login failed. + */ +function try_login() { + global $MAX_SESSIONS_PER_USER, $PERSISTENT_COOKIE_TIMEOUT; + + $login_error = ""; + $new_sid = ""; + $userID = null; + + if ( isset($_REQUEST['user']) || isset($_REQUEST['passwd']) ) { + + $userID = valid_user($_REQUEST['user']); + + if ( user_suspended( $userID ) ) { + $login_error = "Account Suspended."; + } + elseif ( $userID && isset($_REQUEST['passwd']) + && valid_passwd($userID, $_REQUEST['passwd']) ) { + + $logged_in = 0; + $num_tries = 0; + + # Account looks good. Generate a SID and store it. + + $dbh = db_connect(); + while (!$logged_in && $num_tries < 5) { + if ($MAX_SESSIONS_PER_USER) { + # Delete all user sessions except the + # last ($MAX_SESSIONS_PER_USER - 1). + $q = "DELETE s.* FROM Sessions s "; + $q.= "LEFT JOIN (SELECT SessionID FROM Sessions "; + $q.= "WHERE UsersId = " . $userID . " "; + $q.= "ORDER BY LastUpdateTS DESC "; + $q.= "LIMIT " . ($MAX_SESSIONS_PER_USER - 1) . ") q "; + $q.= "ON s.SessionID = q.SessionID "; + $q.= "WHERE s.UsersId = " . $userID . " "; + $q.= "AND q.SessionID IS NULL;"; + db_query($q, $dbh); + } + + $new_sid = new_sid(); + $q = "INSERT INTO Sessions (UsersID, SessionID, LastUpdateTS)" + ." VALUES (" . $userID . ", '" . $new_sid . "', UNIX_TIMESTAMP())"; + $result = db_query($q, $dbh); + + # Query will fail if $new_sid is not unique + if ($result) { + $logged_in = 1; + break; + } + + $num_tries++; + } + + if ($logged_in) { + # set our SID cookie + + if (isset($_POST['remember_me']) && + $_POST['remember_me'] == "on") { + # Set cookies for 30 days. + $cookie_time = time() + $PERSISTENT_COOKIE_TIMEOUT; + + # Set session for 30 days. + $q = "UPDATE Sessions SET LastUpdateTS = $cookie_time "; + $q.= "WHERE SessionID = '$new_sid'"; + db_query($q, $dbh); + } + else + $cookie_time = 0; + + setcookie("AURSID", $new_sid, $cookie_time, "/"); + header("Location: " . $_SERVER['PHP_SELF'].'?'.$_SERVER['QUERY_STRING']); + $login_error = ""; + + } + else { + $login_error = "Error trying to generate session id."; + } + } + else { + $login_error = __("Bad username or password."); + } + } + return array('SID' => $new_sid, 'error' => $login_error); +} + +/* + * Only checks if the name itself is valid + * Longer or equal to USERNAME_MIN_LEN + * Shorter or equal to USERNAME_MAX_LEN + * Starts and ends with a letter or number + * Contains at most ONE dot, hyphen, or underscore + * Returns the username if it is valid + * Returns nothing if it isn't valid + */ +function valid_username( $user ) +{ + if (!empty($user)) { + + #Is username at not too short or too long? + if ( strlen($user) >= USERNAME_MIN_LEN && + strlen($user) <= USERNAME_MAX_LEN ) { + + $user = strtolower($user); + # Does username: + # start and end with a letter or number + # contain only letters and numbers, + # and at most has one dash, period, or underscore + if ( preg_match("/^[a-z0-9]+[.\-_]?[a-z0-9]+$/", $user) ) { + #All is good return the username + return $user; + } + } + } + + return; +} + +/* + * Checks if the username is valid and if it exists in the database + * Returns the username ID or nothing + */ +function valid_user( $user ) +{ + /* if ( $user = valid_username($user) ) { */ + if ( $user ) { + $dbh = db_connect(); + $q = "SELECT ID FROM Users WHERE Username = '" + . mysql_real_escape_string($user). "'"; + + $result = db_query($q, $dbh); + # Is the username in the database? + if ($result) { + $row = mysql_fetch_row($result); + return $row[0]; + } + } + return; +} + +function good_passwd( $passwd ) +{ + if ( strlen($passwd) >= PASSWD_MIN_LEN ) { + return true; + } + return false; +} + +/* Verifies that the password is correct for the userID specified. + * Returns true or false + */ +function valid_passwd( $userID, $passwd ) +{ + if ( strlen($passwd) > 0 ) { + $dbh = db_connect(); + + # get salt for this user + $salt = get_salt($userID); + if ($salt) { + # use salt + $passwd_q = "SELECT ID FROM Users" . + " WHERE ID = " . $userID . " AND Passwd = '" . + salted_hash($passwd, $salt) . "'"; + $result = db_query($passwd_q, $dbh); + if ($result) { + $passwd_result = mysql_fetch_row($result); + if ($passwd_result[0]) { + return true; + } + } + } else { + # check without salt + $nosalt_q = "SELECT ID FROM Users". + " WHERE ID = " . $userID . + " AND Passwd = '" . md5($passwd) . "'"; + $result = db_query($nosalt_q, $dbh); + if ($result) { + $nosalt_row = mysql_fetch_row($result); + if ($nosalt_row[0]) { + # password correct, but salt it first + if (!save_salt($userID, $passwd)) { + trigger_error("Unable to salt user's password;" . + " ID " . $userID, E_USER_WARNING); + return false; + } + return true; + } + } + } + } + return false; +} + +/* + * Is the user account suspended? + */ +function user_suspended( $id ) +{ + if (!$id) { + return false; + } + $dbh = db_connect(); + $q = "SELECT Suspended FROM Users WHERE ID = " . $id; + $result = db_query($q, $dbh); + if ($result) { + $row = mysql_fetch_row($result); + if ($result[0] == 1 ) { + return true; + } + } + return false; +} + +/* + * This should be expanded to return something + */ +function user_delete( $id ) +{ + $dbh = db_connect(); + $q = "DELETE FROM Users WHERE ID = " . $id; + db_query($q, $dbh); + return; +} + +/* + * A different way of determining a user's privileges + * rather than account_from_sid() + */ +function user_is_privileged( $id ) +{ + $dbh = db_connect(); + $q = "SELECT AccountTypeID FROM Users WHERE ID = " . $id; + $result = db_query($q, $dbh); + if ($result) { + $row = mysql_fetch_row($result); + if( $result[0] > 1) { + return $result[0]; + } + } + return 0; + +} + +# Clear out old expired sessions. +function clear_expired_sessions($dbh = null) { + global $LOGIN_TIMEOUT; + + if (empty($dbh)) { + $dbh = db_connect(); + } + + $q = "DELETE FROM Sessions WHERE LastUpdateTS < (UNIX_TIMESTAMP() - $LOGIN_TIMEOUT)"; + db_query($q, $dbh); + + return; +} + |