GetEnvelopeDocuments.php

<?php

  	// Input your info here:
	$email = "***";			// your account email
	$password = "***";		// your account password
	$integratorKey = "***";		// your account integrator key, found on (Preferences -> API page)
	
	// copy the envelopeId from an existing envelope in your account that you want
	// to download documents from
	$envelopeId = "***";
	
	// construct the authentication header:
	$header = "<DocuSignCredentials><Username>" . $email . "</Username><Password>" . $password . "</Password><IntegratorKey>" . $integratorKey . "</IntegratorKey></DocuSignCredentials>";
	
	/////////////////////////////////////////////////////////////////////////////////////////////////
	// STEP 1 - Login (retrieves baseUrl and accountId)
	/////////////////////////////////////////////////////////////////////////////////////////////////
	$url = "https://demo.docusign.net/restapi/v2/login_information";
	$curl = curl_init($url);
	curl_setopt($curl, CURLOPT_HEADER, false);
	curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
	curl_setopt($curl, CURLOPT_HTTPHEADER, array("X-DocuSign-Authentication: $header"));
	
	$json_response = curl_exec($curl);
	$status = curl_getinfo($curl, CURLINFO_HTTP_CODE);
	
	if ( $status != 200 ) {
		echo "error calling webservice, status is:" . $status;
		exit(-1);
	}
	
	$response = json_decode($json_response, true);
	$accountId = $response["loginAccounts"][0]["accountId"];
	$baseUrl = $response["loginAccounts"][0]["baseUrl"];
	curl_close($curl);
	
	//--- display results
	echo "accountId = " . $accountId . "\nbaseUrl = " . $baseUrl . "\n";
	
	/////////////////////////////////////////////////////////////////////////////////////////////////
	// STEP 2 - Get document information
	/////////////////////////////////////////////////////////////////////////////////////////////////                                                                                  
	$curl = curl_init($baseUrl . "/envelopes/" . $envelopeId . "/documents" );
	curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
	curl_setopt($curl, CURLOPT_HTTPHEADER, array(                                                                          
		"X-DocuSign-Authentication: $header" )                                                                       
	);
	
	$json_response = curl_exec($curl);
	$status = curl_getinfo($curl, CURLINFO_HTTP_CODE);
	if ( $status != 200 ) {
		echo "error calling webservice, status is:" . $status;
		exit(-1);
	}
	
	$response = json_decode($json_response, true);
	curl_close($curl);
	
	//--- display results
	echo "Envelope has following document(s) information...\n";
	print_r($response);	echo "\n";
	
	/////////////////////////////////////////////////////////////////////////////////////////////////
	// STEP 3 - Download the envelope's documents
	/////////////////////////////////////////////////////////////////////////////////////////////////
	foreach( $response["envelopeDocuments"] as $document ) {
		$docUri = $document["uri"];
		
		$curl = curl_init($baseUrl . $docUri );
		curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
		curl_setopt($curl, CURLOPT_BINARYTRANSFER, true);  
		curl_setopt($curl, CURLOPT_HTTPHEADER, array(                                                                          
			"X-DocuSign-Authentication: $header" )                                                                       
		);
		
		$data = curl_exec($curl);
		$status = curl_getinfo($curl, CURLINFO_HTTP_CODE);
		if ( $status != 200 ) {
			echo "error calling webservice, status is:" . $status;
			exit(-1);
		}
	
		file_put_contents($envelopeId . "-" . $document["name"], $data);
		curl_close($curl);
		
		//*** Documents should now be downloaded in the same folder as you ran this program
	}
	
	//--- display results
	echo "Envelope document(s) have been downloaded, check your local directory.\n";
?>