Improvements

Makefile

@@ -1,3 +1,3 @@
 .phony: phar
 phar:
-	makephar -c makephar.conf
+	./makephar -c makephar.conf

bin/bootstrap.php

@@ -2,6 +2,8 @@
 
 require_once __DIR__."/../vendor/autoload.php";
 require_once __DIR__."/systemtest.php";
+if (file_exists(__DIR__."/banner.php"))
+    require_once __DIR__."/banner.php";
 
 use NoccyLabs\Hotfix\HotfixApplication;
 

src/Command/ApplyCommand.php

@@ -9,6 +9,7 @@ use Symfony\Component\Console\Input\InputArgument;
 use Symfony\Component\Console\Input\InputOption;
 use Symfony\Component\Console\Output\OutputInterface;
 use Symfony\Component\Console\Question\ConfirmationQuestion;
+use Symfony\Component\Console\Question\ChoiceQuestion;
 use NoccyLabs\Hotfix\Hotfix\Loader;
 
 class ApplyCommand extends Command
@@ -20,6 +21,7 @@ class ApplyCommand extends Command
         $this->setDescription("Apply a hotfix from a file or the Internet");
 
         $this->addOption("insecure", "I", InputOption::VALUE_NONE, "Disable signature checks. Don't use unless you know what you are doing!");
+        $this->addOption("preview", "p", InputOption::VALUE_NONE, "Only preview the hotfix script, don't apply anything");
 
         $this->addArgument("hotfix", InputArgument::OPTIONAL, "The identifier, path or filename of the hotfix");
     }
@@ -30,10 +32,20 @@ class ApplyCommand extends Command
 
         $fix = $input->getArgument("hotfix");
         $insecure = $input->getOption("insecure");
+        $loader = new Loader();
+
+        if (!$fix) {
+        
+            $loaders = $loader->getLoaders();
+            $output->writeln("Supported loaders:\n");
+            foreach ($loaders as $loader) {
+                $output->writeln(" * ".$loader->getInfo());
+            }
+            return;
+        }
 
         $output->writeln("Reading hotfix <comment>{$fix}</comment>...");
 
-        $loader = new Loader();
         try {
             $hotfix = $loader->load($fix, $insecure);
         } catch (\Exception $e) {
@@ -47,20 +59,27 @@ class ApplyCommand extends Command
 
         $output->writeln("");
         if (($signer = $hotfix->getSignedBy())) {
-            $output->writeln("<info>Hotfix has good signature by {$signer}</info>");
+            $keyid = $hotfix->getKeyId();
+            $output->writeln("Hotfix has good signature from <fg=green;options=bold>{$signer}</fg=green;options=bold> (keyid <info>{$keyid}</info>)");
         } else {
             $output->writeln("<fg=red;options=bold>Warning: Hotfix is not signed or signature not valid!</fg=red;options=bold>");
         }
         $output->writeln("");
-        $output->writeln("  Hotfix:  <comment>".$hotfix->getName()."</comment>");
+        $output->writeln("  Hotfix:  <fg=yellow;options=bold>".$hotfix->getName()."</fg=yellow;options=bold>");
         $output->writeln("  Author:  <comment>".$hotfix->getAuthor()."</comment>");
-        $output->writeln("  Info:");
-        $info = explode("\n",wordwrap(trim($hotfix->getInfo()), 70));
-        foreach ($info as $line) {
-            $output->writeln("  |   <info>{$line}</info>");
-        }
+        $info = explode("\n",wordwrap(trim($hotfix->getInfo()), 60));
+        $info = "<comment>".join("</comment>\n           <comment>", $info)."</comment>";
+        $output->writeln("  Info:    ".$info);
         $output->writeln("");
         
+        if ($input->getOption("preview")) {
+            $output->writeln("This is the script that will be executed:");
+            $body = $hotfix->getBody();
+            $body = "<fg=cyan>  ".join("\n  ", explode("\n",$body))."</fg=cyan>";
+            $output->writeln($body);
+            return;
+        }
+        
         $helper = $this->getHelper("question");
         $question = new ConfirmationQuestion("Do you want to apply this hotfix? [y/N] ", false);
         

src/Hotfix/Hotfix.php

@@ -9,6 +9,8 @@ class Hotfix
 
     protected $signer;
 
+    protected $keyId;
+
     protected $header;
     
     protected $body;
@@ -16,7 +18,8 @@ class Hotfix
     public function __construct($hotfix, $signer)
     {
         $this->load($hotfix);
-        $this->signer = $signer;
+        $this->signer = $signer[0];
+        $this->keyId = $signer[1];
     }
 
     protected function load($hotfix)
@@ -31,6 +34,11 @@ class Hotfix
         $this->body = $body;
     }
 
+    public function getBody()
+    {
+        return $this->body;
+    }
+
     public function apply()
     {
         if (!array_key_exists('lang', $this->header)) {
@@ -40,9 +48,12 @@ class Hotfix
         }
         
         $script = null;
+        $head = null;
+        $foot = null;
         switch ($lang) {
             case 'bash':
                 $exec = "/bin/bash";
+                $head = file_get_contents(__DIR__."/../stubs/bash.stub");
                 break;
             case 'php':
                 $exec = "/usr/bin/env php";
@@ -53,7 +64,7 @@ class Hotfix
         }
         $tmpfile = sys_get_temp_dir()."/hotfix_".sha1($this->header['hotfix']);
 
-        file_put_contents($tmpfile, $this->body);
+        file_put_contents($tmpfile, $head."\n".$this->body."\n".$foot);
         passthru($exec." ".$tmpfile);
         unlink($tmpfile);
     }
@@ -68,6 +79,11 @@ class Hotfix
             $this->signer['uids'][0]['email']
         );
     }
+    
+    public function getKeyId()
+    {
+        return $this->keyId;
+    }
 
     public function getName()
     {

src/Hotfix/Loader.php

@@ -22,6 +22,11 @@ class Loader
         $this->loaders[] = $loader;
     }
 
+    public function getLoaders()
+    {
+        return $this->loaders;
+    }
+
     public function load($fix, $insecure=false)
     {
         foreach ($this->loaders as $loader) {
@@ -56,12 +61,22 @@ class Loader
             throw new \Exception("Hotfix signature is not valid!");
         }
 
-        $keyInfo = gnupg_keyinfo($gpg, $sigInfo[0]['fingerprint']);
+        $fingerprint = $sigInfo[0]['fingerprint'];
+        $keyInfo = gnupg_keyinfo($gpg, $fingerprint);
+
+        $subKeys = $keyInfo[0]['subkeys'];
+        $keyId = null;
+        foreach ($subKeys as $subKey) {
+            if ($subKey['fingerprint'] == $fingerprint) {
+                $keyId = $subKey['keyid'];
+                break;
+            }
+        }
 
         if (empty($keyInfo)) {
             throw new \Exception("Unknown signer (key id {$sigInfo[0]['fingerprint']})");
         }
 
-        return $keyInfo[0];
+        return [ $keyInfo[0], $keyId ];
     }
 }

src/Hotfix/Loader/FileLoader.php

@@ -15,4 +15,9 @@ class FileLoader implements LoaderInterface
         }
         return false;
     }
+
+    public function getInfo()
+    {
+        return "<info>filename</info> - Read a hotfix from a file";
+    }
 }

src/Hotfix/Loader/GistLoader.php

@@ -15,4 +15,9 @@ class GistLoader implements LoaderInterface
         return file_get_contents($url);
 
     }
+
+    public function getInfo()
+    {
+        return "gist:<info>user</info>/<info>gist-id</info> - Read hotfix from a Gist";
+    }
 }

src/Hotfix/Loader/HttpLoader.php

@@ -12,4 +12,9 @@ class HttpLoader implements LoaderInterface
         }
         return false;
     }
+
+    public function getInfo()
+    {
+        return "http(s)://<info>url</info> - Read hotfix from a URL";
+    }
 }

src/Hotfix/Loader/PastebinLoader.php

@@ -20,4 +20,9 @@ class PastebinLoader implements LoaderInterface
         return $body;
 
     }
+
+    public function getInfo()
+    {
+        return "pastebin:<info>paste-id</info> - Read hotfix from Pastebin";
+    }
 }

src/stubs/bash.stub

@@ -0,0 +1,16 @@
+test -e /etc/lsb-release && source /etc/lsb-release
+
+function exec() {
+    echo -e "\e[36;1m[exec]\e[36;21m $*\e[0m"
+    LOG=$(tempfile -p exec)
+    $@ &>$LOG
+    EC=$?
+    if [ $EC -gt 0 ]; then
+        echo -e "\e[31;1m[warn]\e[31;21m Command completed with exitcode $EC\e[0m"
+        cat $LOG
+    fi
+    rm $LOG
+}
+function info() {
+    echo -e "\e[32;1m[info]\e[32;21m $*\e[0m"
+}