Convert DOC to Protected PDF from Uploaded File Asynchronously - PHP
PDF from Doc, DocX, RTF, TXT, XPS (Document to PDF) sample in PHP demonstrating ‘Convert DOC to Protected PDF from Uploaded File Asynchronously’
doc-to-protected-pdf-async.php
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>DOC To PDF Conversion Results</title>
</head>
<body>
<?php
// Note: If you have input files large than 200kb we highly recommend to check "async" mode example.
// Get submitted form data
$apiKey = $_POST["apiKey"]; // The authentication key (API Key). Get your own by registering at https://app.pdf.co
// 1. RETRIEVE THE PRESIGNED URL TO UPLOAD THE FILE.
// * If you already have the direct PDF file link, go to the step 3.
// Create URL
$url = "https://api.pdf.co/v1/file/upload/get-presigned-url" .
"?name=" . urlencode($_FILES["file"]["name"]) .
"&contenttype=application/octet-stream";
// Create request
$curl = curl_init();
curl_setopt($curl, CURLOPT_HTTPHEADER, array("x-api-key: " . $apiKey));
curl_setopt($curl, CURLOPT_URL, $url);
curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
// Execute request
$result = curl_exec($curl);
if (curl_errno($curl) == 0)
{
$status_code = curl_getinfo($curl, CURLINFO_HTTP_CODE);
if ($status_code == 200)
{
$json = json_decode($result, true);
if (!isset($json["error"]) || $json["error"] == false)
{
// Get URL to use for the file upload
$uploadFileUrl = $json["presignedUrl"];
// Get URL of uploaded file to use with later API calls
$uploadedFileUrl = $json["url"];
// 2. UPLOAD THE FILE TO CLOUD.
$localFile = $_FILES["file"]["tmp_name"];
$fileHandle = fopen($localFile, "r");
curl_setopt($curl, CURLOPT_URL, $uploadFileUrl);
curl_setopt($curl, CURLOPT_HTTPHEADER, array("content-type: application/octet-stream"));
curl_setopt($curl, CURLOPT_PUT, true);
curl_setopt($curl, CURLOPT_INFILE, $fileHandle);
curl_setopt($curl, CURLOPT_INFILESIZE, filesize($localFile));
// Execute request
curl_exec($curl);
fclose($fileHandle);
if (curl_errno($curl) == 0)
{
$status_code = curl_getinfo($curl, CURLINFO_HTTP_CODE);
if ($status_code == 200)
{
// 3. CONVERT UPLOADED DOC FILE TO PDF
DocToPdf($apiKey, $uploadedFileUrl, '');
}
else
{
// Display request error
echo "<p>Status code: " . $status_code . "</p>";
echo "<p>" . $result . "</p>";
}
}
else
{
// Display CURL error
echo "Error: " . curl_error($curl);
}
}
else
{
// Display service reported error
echo "<p>Error: " . $json["message"] . "</p>";
}
}
else
{
// Display request error
echo "<p>Status code: " . $status_code . "</p>";
echo "<p>" . $result . "</p>";
}
curl_close($curl);
}
else
{
// Display CURL error
echo "Error: " . curl_error($curl);
}
function DocToPdf($apiKey, $uploadedFileUrl, $pages)
{
// Create URL
$url = "https://api.pdf.co/v1/pdf/convert/from/doc";
// Prepare requests params
$parameters = array();
$parameters["url"] = $uploadedFileUrl;
$parameters["pages"] = $pages;
// Create Json payload
$data = json_encode($parameters);
// Create request
$curl = curl_init();
curl_setopt($curl, CURLOPT_HTTPHEADER, array("x-api-key: " . $apiKey, "Content-type: application/json"));
curl_setopt($curl, CURLOPT_URL, $url);
curl_setopt($curl, CURLOPT_POST, true);
curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($curl, CURLOPT_POSTFIELDS, $data);
// Execute request
$result = curl_exec($curl);
if (curl_errno($curl) == 0)
{
$status_code = curl_getinfo($curl, CURLINFO_HTTP_CODE);
if ($status_code == 200)
{
$json = json_decode($result, true);
if (!isset($json["error"]) || $json["error"] == false)
{
$convertedFileUrl = $json["url"];
ProtectPdf($apiKey, $convertedFileUrl);
// // Display link to the file with conversion results
// echo "<div><h2>Conversion Result:</h2><a href='" . $resultFileUrl . "' target='_blank'>" . $resultFileUrl . "</a></div>";
}
else
{
// Display service reported error
echo "<p>Error: " . $json["message"] . "</p>";
}
}
else
{
// Display request error
echo "<p>Status code: " . $status_code . "</p>";
echo "<p>" . $result . "</p>";
}
}
else
{
// Display CURL error
echo "Error: " . curl_error($curl);
}
// Cleanup
curl_close($curl);
}
function ProtectPdf($apiKey, $convertedFileUrl)
{
// Passwords to protect PDF document
// The owner password will be required for document modification.
// The user password only allows to view and print the document.
$OwnerPassword = "123456";
$UserPassword = "654321";
// Encryption algorithm.
// Valid values: "RC4_40bit", "RC4_128bit", "AES_128bit", "AES_256bit".
$EncryptionAlgorithm = "AES_128bit";
// Allow or prohibit content extraction for accessibility needs.
$AllowAccessibilitySupport = true;
// Allow or prohibit assembling the document.
$AllowAssemblyDocument = true;
// Allow or prohibit printing PDF document.
$AllowPrintDocument = true;
// Allow or prohibit filling of interactive form fields (including signature fields) in PDF document.
$AllowFillForms = true;
// Allow or prohibit modification of PDF document.
$AllowModifyDocument = true;
// Allow or prohibit copying content from PDF document.
$AllowContentExtraction = true;
// Allow or prohibit interacting with text annotations and forms in PDF document.
$AllowModifyAnnotations = true;
// Allowed printing quality.
// Valid values: "HighResolution", "LowResolution"
$PrintQuality = "HighResolution";
// Prepare URL for `PDF Security` API call
$url = "https://api.pdf.co/v1/pdf/security/add";
// (!) Make asynchronous job
$async = TRUE;
// Prepare requests params
$parameters = array();
$parameters["async"] = "$async";
$parameters["name"] = "result.pdf";
$parameters["url"] = $convertedFileUrl;
$parameters["ownerPassword"] = $OwnerPassword;
$parameters["userPassword"] = $UserPassword;
$parameters["encryptionAlgorithm"] = $EncryptionAlgorithm;
$parameters["allowAccessibilitySupport"] = $AllowAccessibilitySupport;
$parameters["allowAssemblyDocument"] = $AllowAssemblyDocument;
$parameters["allowPrintDocument"] = $AllowPrintDocument;
$parameters["allowFillForms"] = $AllowFillForms;
$parameters["allowModifyDocument"] = $AllowModifyDocument;
$parameters["allowContentExtraction"] = $AllowContentExtraction;
$parameters["allowModifyAnnotations"] = $AllowModifyAnnotations;
$parameters["printQuality"] = $PrintQuality;
// Create Json payload
$data = json_encode($parameters);
// Create request
$curl = curl_init();
curl_setopt($curl, CURLOPT_HTTPHEADER, array("x-api-key: " . $apiKey, "Content-type: application/json"));
curl_setopt($curl, CURLOPT_URL, $url);
curl_setopt($curl, CURLOPT_POST, true);
curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($curl, CURLOPT_POSTFIELDS, $data);
// Execute request
$result = curl_exec($curl);
echo $result . "<br/>";
if (curl_errno($curl) == 0)
{
$status_code = curl_getinfo($curl, CURLINFO_HTTP_CODE);
if ($status_code == 200)
{
$json = json_decode($result, true);
if (!isset($json["error"]) || $json["error"] == false)
{
// URL of generated JSON file that will available after the job completion
$resultFileUrl = $json["url"];
// Asynchronous job ID
$jobId = $json["jobId"];
// Check the job status in a loop
do
{
$status = CheckJobStatus($jobId, $apiKey); // Possible statuses: "working", "failed", "aborted", "success".
// Display timestamp and status (for demo purposes)
echo "<p>" . date(DATE_RFC2822) . ": " . $status . "</p>";
if ($status == "success")
{
// Display link to JSON file with information about parsed fields
echo "<div><h2>Parsing Result:</h2><a href='" . $resultFileUrl . "' target='_blank'>" . $resultFileUrl . "</a></div>";
break;
}
else if ($status == "working")
{
// Pause for a few seconds
sleep(3);
}
else
{
echo $status . "<br/>";
break;
}
}
while (true);
}
else
{
// Display service reported error
echo "<p>Error: " . $json["message"] . "</p>";
}
}
else
{
// Display request error
echo "<p>Status code: " . $status_code . "</p>";
echo "<p>" . $result . "</p>";
}
}
else
{
// Display CURL error
echo "Error: " . curl_error($curl);
}
}
function CheckJobStatus($jobId, $apiKey)
{
$status = null;
// Create URL
$url = "https://api.pdf.co/v1/job/check";
// Prepare requests params
$parameters = array();
$parameters["jobid"] = $jobId;
// Create Json payload
$data = json_encode($parameters);
// Create request
$curl = curl_init();
curl_setopt($curl, CURLOPT_HTTPHEADER, array("x-api-key: " . $apiKey, "Content-type: application/json"));
curl_setopt($curl, CURLOPT_URL, $url);
curl_setopt($curl, CURLOPT_POST, true);
curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($curl, CURLOPT_POSTFIELDS, $data);
// Execute request
$result = curl_exec($curl);
if (curl_errno($curl) == 0)
{
$status_code = curl_getinfo($curl, CURLINFO_HTTP_CODE);
if ($status_code == 200)
{
$json = json_decode($result, true);
if (isset($json["error"]) && $json["error"] == true)
{
// Display service reported error
echo "<p>Error: " . $json["message"] . "</p>";
}
else
{
$status = $json["status"];
}
}
else
{
// Display request error
echo "<p>Status code: " . $status_code . "</p>";
echo "<p>" . $result . "</p>";
}
}
else
{
// Display CURL error
echo "Error: " . curl_error($curl);
}
// Cleanup
curl_close($curl);
return $status;
}
?>
</body>
</html>
sample.html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>DOC To PDF Cloud API Example</title>
</head>
<body>
<form name="form1" enctype="multipart/form-data" method="post" action="doc-to-protected-pdf-async.php">
<p>
<label>Authentication key (API Key). Get your own by registering at <a href="https://apidocs.pdf.co">https://apidocs.pdf.co</a>.</label>
<br/>
<input type="text" name="apiKey" placeholder="API Key"/>
</p>
<p>
<label>Input DOC or DOCX File (*.doc; *.docx)</label>
<input type="hidden" name="MAX_FILE_SIZE" value="8000000"/>
<input type="file" name="file"/>
</p>
<input type="submit" name="submit" value="Proceed" />
</form>
</body>
</html>
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Download Source Code (.zip)
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