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Extension update Checker

edited December 2006 in Vanilla 1.0 Help
I worked on an api to check the availability of update for extensions. Hope it can help.
The api:<?php include('../appg/settings.php'); include('../appg/init_ajax.php'); // Mode of this api. Serialize only available. Is xml neccessary? $ValideMode = array('php'); $ApiMode = ForceIncomingString('mode', 'php'); if (!in_array($ApiMode, $ValideMode)) echo $Context->GetDefinition('WrongApiMode'); else { $ApiExtension = ForceIncomingString('extensions', ''); if($ApiMode == 'php') $ApiExtension = @unserialize($ApiExtension); $return = GetExtensionByName($Context, $ApiExtension); if ($ApiMode == 'php') $return = serialize($return); echo $return; } $Context->Unload(); function GetExtensionByName(&$Context, $ApiExtension){ $return = array('Status' => 0, 'Warnings' => array(), 'Extensions' => array()); if(!is_array($ApiExtension) && !count($ApiExtension)) $Context->WarningCollector->Add($Context->GetDefinition('NotValidData')); else { // Guess of want would be the names and structure of the extension database of lussumo $s = $Context->ObjectFactory->NewContextObject($Context, "SqlBuilder"); $s->SetMainTable('Extension', 'ext'); $s->AddSelect(array('ExtensionID', 'ExtensionName', 'ExtensionVersion', 'ExtensionComment'), 'ext'); foreach ($ApiExtension as $Name) { $Name = FormatStringForDatabaseInput($Name); $s->AddWhere('ext', 'ExtensionName', '', $Name, '=', 'or', '', 1); } $Data = $Context->Database->Select($s, 'Api', 'UpdateInfo', 'An error occurred while attempting to retrieve the extension informations.'); while ($Row = $Context->Database->GetRow($Data)) { $return['Extensions'][ForceString($Row['ExtensionName'], '')] = array( 'ExtensionID' => ForceInt($Row['ExtensionID'], 0), 'ExtensionVersion' => ForceString($Row['ExtensionVersion'], ''), 'ExtensionComment' => ForceString($Row['ExtensionComment'], '')); } } if($Context->ErrorManager->Iif()) { if ($Context->WarningCollector->Iif() == "0") $return['Warnings'] = $Context->WarningCollector->aMessages; else $return['Status'] = 1; } return $return; } ?>
The checker (Framework.Control.UpdateCheck.php):... function UpdateCheck(&$Context) { $this->Name = 'UpdateCheck'; $this->ValidActions = array('UpdateCheck', 'ProcessUpdateCheck', 'ProcessUpdateReminder'); $this->Constructor($Context); if (!$this->Context->Session->User->Permission('PERMISSION_CHECK_FOR_UPDATES')) { $this->IsPostBack = 0; } if ($this->IsPostBack) { $this->Context->PageTitle = $this->Context->GetDefinition('UpdatesAndReminders'); $this->ReminderSelect = $this->Context->ObjectFactory->NewObject($this->Context, 'Select'); $this->ReminderSelect->Name = 'ReminderRange'; $this->ReminderSelect->AddOption('', $this->Context->GetDefinition('Never')); $this->ReminderSelect->AddOption('Weekly', $this->Context->GetDefinition('Weekly')); $this->ReminderSelect->AddOption('Monthly', $this->Context->GetDefinition('Monthly')); $this->ReminderSelect->AddOption('Quarterly', $this->Context->GetDefinition('Quarterly')); $this->ReminderSelect->SelectedValue = $this->Context->Configuration['UPDATE_REMINDER']; $SettingsFile = $this->Context->Configuration['APPLICATION_PATH'].'conf/settings.php'; } if ($this->IsPostBack && $this->PostBackAction == 'ProcessUpdateCheck') { // Ping for update information $this->LussumoMessage = OpenUrl($this->Context->Configuration['UPDATE_URL'] .'?Application='.APPLICATION .'&Version='.APPLICATION_VERSION .'&Language='.$this->Context->Configuration['LANGUAGE'] .'&RequestUrl='.$this->Context->Configuration['BASE_URL'], $this->Context); // Get list of extensions $Extension = $this->Context->ObjectFactory->CreateControl($this->Context, "ExtensionForm"); $Extension->Extensions = array(); $Extension->DefineExtensions(); $Extensions = array(); foreach ($Extension->Extensions as $Ext) { $Extensions[] = $Ext->Name; } // Request info for these extensions to $Data = 'mode=php&extensions='.urlencode(serialize($Extensions)); $LussumoExtAnswer = RequestbyPost($Context, 'tcp://', '', '/api/CheckExtensionUpdate.php', $Data, 80); $LussumoExtAnswer = unserialize($LussumoExtAnswer[1]); // Compare last version number of extension with the ones on the forum if ($LussumoExtAnswer['Status'] == 1 && isset($LussumoExtAnswer['Status'])){ $this->ExtensionsToUpdate = array(); $this->ExtensionsToCheck = array(); foreach ($Extension->Extensions as $Extension) { if (isset($LussumoExtAnswer['Extensions'][$Extension->Name])) { if(version_compare($Extension->Version, $LussumoExtAnswer['Extensions'][$Extension->Name]['ExtensionVersion'], '<')) { $this->ExtensionsToUpdate[$Extension->Name] = $LussumoExtAnswer['Extensions'][$Extension->Name]; $this->ExtensionsToUpdate[$Extension->Name]['InstalledVersion'] = $Extension->Version; } } else $this->ExtensionsToCheck[$Extension->Name] = array( 'Url' => $Extension->Url, 'InstalledVersion' => $Extension->Version, 'ExtensionComment' => $Extension->Description ); } } if ($this->Context->WarningCollector->Count() == 0 && $this->LussumoMessage) { $this->PostBackValidated = 1; // Also record that the check occurred $ConfigurationManager = $this->Context->ObjectFactory->NewContextObject($this->Context, "ConfigurationManager"); $ConfigurationManager->DefineSetting('LAST_UPDATE', mktime(), 1); $ConfigurationManager->SaveSettingsToFile($SettingsFile); } } elseif ($this->IsPostBack && $this->PostBackAction == 'ProcessUpdateReminder') { $ReminderRange = ForceIncomingString('ReminderRange', ''); if (!in_array($ReminderRange, array('Weekly','Monthly','Quarterly'))) $ReminderRange = ''; // Set the Reminder configuration option $ConfigurationManager = $this->Context->ObjectFactory->NewContextObject($this->Context, "ConfigurationManager"); $ConfigurationManager->DefineSetting('UPDATE_REMINDER', $ReminderRange, 1); if ($ConfigurationManager->SaveSettingsToFile($SettingsFile)) { // If everything was successful, Redirect back with saved changes message if ($this->Context->WarningCollector->Iif()) { header("Location:".GetUrl($this->Context->Configuration, $this->Context->SelfUrl, "", "", "", "", "PostBackAction=UpdateCheck&Saved=1")); die(); } } } $this->CallDelegate('Constructor'); }

and settings_update_check_validpostback.php:<?php // Note: This file is included from the library/Framework/Framework.Control.UpdateCheck.php control. echo '<div id="Form" class="Account UpdateCheck"> <fieldset> <legend>'.$this->Context->GetDefinition('UpdateCheck').'</legend> <form id="frmUpdateCheck" method="post" action=""> <h3>'.$this->Context->GetDefinition('VanillaCore').'</h3> <p class="Description">'.$this->LussumoMessage.'</p> <h3>'.$this->Context->GetDefinition('Extensions').'</h3>'; if (count($this->ExtensionsToUpdate)) { echo '<ul><h4>'.$this->Context->GetDefinition('ExtensionToUpdate').'</h4>'; foreach ($this->ExtensionsToUpdate as $Name => $Property) { $href = 'href="'.$Property['ExtensionID'].'"'; echo '<li><p class="Description"><a '.$href.'>'.$Name.' '.$Property['ExtensionVersion'].'</a> ('.$this->Context->GetDefinition('CurrentInstalledVersion').': '.$Property['InstalledVersion'].'): '.$Property['ExtensionComment'].'</p></li>'; } echo '</ul>'; } if (count($this->ExtensionsToCheck)){ echo '<ul><h4>'.$this->Context->GetDefinition('ExtensionToCheck').'</h4>'; foreach ($this->ExtensionsToCheck as $Name => $Property) { $href = 'href='.$Property['Url'].'"'; echo '<li><p class="Description"><a '.$href.'>'.$Name.'</a> ('.$this->Context->GetDefinition('CurrentInstalledVersion').': '.$Property['InstalledVersion'].'): '.$Property['ExtensionComment'].'</p></li>'; } echo '</ul>'; } if (!count($this->ExtensionsToUpdate) && !count($this->ExtensionsToCheck)) echo '<p class="Description">'.$this->Context->GetDefinition('YourExtensionAreUpToDate').'</p>'; echo ' </form> </fieldset> </div>'; ?>
the RequestbyPost function:function RequestbyPost(&$Context, $Protocol, $Host, $Path, $Data, $Port = 80){ $sock = fsockopen($Protocol.$Host, $Port, $errno, $errstr, 30); if (!$sock) { $Context->WarningCollector->Add($Context->GetDefinition('CannotGetConnection').': '.$errstr.' ('.$errno.').'); return false; } else { fwrite($sock, "POST $Path HTTP/1.0\r\n"); fwrite($sock, "Host: $Host\r\n"); fwrite($sock, "Content-type: application/x-www-form-urlencoded\r\n"); fwrite($sock, "Content-length: " . strlen($Data) . "\r\n"); fwrite($sock, "Accept: */*\r\n"); fwrite($sock, "\r\n"); fwrite($sock, "$Data\r\n"); fwrite($sock, "\r\n"); $headers = ""; while ($str = trim(fgets($sock, 4096))) $headers .= "$str\n"; echo "\n"; $body = ""; while (!feof($sock)) $body .= fgets($sock, 4096); fclose($sock); return array($headers, $body); } }


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    I love the idea of an update checker, but the PHP means little to me, I'm guessing this is more aimed at Mark for inclusion in the core?
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    Dino, is there something I can download/install already?
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    edited November 2006
    Sorry, I forgot to whisper it to mark.

    No, there is nothing to download. I hope that it will be soon available.
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    Thinking about it, this code wouldn't work, because the extension names are used as key for the request and comparing (there is no really other way) and that there is already 2 extensions with the same name.

    To work, the checker on vanilla would have to be more complicate: the response from the api can't use the name of the extension as a key, and the checker would have to check if there is not two answers for the same extesnion (if there is, the extension is in the list of extensions to check manually).
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    You can stop working on it Dinoboff :) Mark is implementing it into Vanilla's core:

    Quote from Mark's mail to all extension developers:

    "I have been working on a method whereby the update checker
    in Vanilla will not only check for updates to the core
    Vanilla files, but it will also look up the extensions in
    the installation and see if there are new versions available
    at the addons site."

    I think it is one of the most wanted and useful functions that the next Vanilla release should contain :)
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    \o/ Don't suppose there's an ETA is there? :D
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    'when its done'
This discussion has been closed.