Support http basic auth and related configuration

This adds the http basic auth username and password if found in the
configuration to the ConduitClient.

Reviewed by: epriestley

src/configuration/ArcanistSettings.php

@@ -82,6 +82,18 @@ final class ArcanistSettings {
         'help' => 'List of event listener classes to install at startup.',
         'example' => '["ExampleEventListener"]',
       ),
+      'http.basicauth.user' => array(
+        'type' => 'string',
+        'help' =>
+          "Username to use for basic auth over http transports",
+        'example' => '"bob"',
+      ),
+      'http.basicauth.pass' => array(
+        'type' => 'string',
+        'help' =>
+          "Password to use for basic auth over http transports",
+        'example' => '"bobhasasecret"',
+      ),
     );
   }
 

src/workflow/ArcanistBaseWorkflow.php

@@ -171,9 +171,32 @@ abstract class ArcanistBaseWorkflow {
       $this->conduit->setTimeout($this->conduitTimeout);
     }
 
+    $user = $this->getConfigFromWhateverSourceAvailiable('http.basicauth.user');
+    $pass = $this->getConfigFromWhateverSourceAvailiable('http.basicauth.pass');
+    if ($user !== null && $pass !== null) {
+      $this->conduit->setBasicAuthCredentials($user, $pass);
+    }
+
     return $this;
   }
 
+  final public function getConfigFromWhateverSourceAvailiable($key) {
+    if ($this->requiresWorkingCopy()) {
+      $working_copy = $this->getWorkingCopy();
+      return $working_copy->getConfigFromAnySource($key);
+    } else {
+      $global_config = self::readGlobalArcConfig();
+      $pval = idx($global_config, $key);
+
+      if ($pval === null) {
+        $system_config = self::readSystemArcConfig();
+        $pval = idx($system_config, $key);
+      }
+
+      return $pval;
+    }
+  }
+
 
   /**
    * Set credentials which will be used to authenticate against Conduit. These

src/workflow/ArcanistInstallCertificateWorkflow.php

@@ -58,7 +58,7 @@ EOTEXT
     $config = self::readUserConfigurationFile();
 
     echo "Trying to connect to server...\n";
-    $conduit = new ConduitClient($uri);
+    $conduit = $this->establishConduit()->getConduit();
     try {
       $conduit->callMethodSynchronous('conduit.ping', array());
     } catch (Exception $ex) {