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August 1, 2019 06:49
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Client side signed uploads with pure Javascript and PHP
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<html> | |
<body> | |
<h1>Upload to Cloudinary with FormData</h1> | |
<form action="" method="post" enctype="multipart/form-data" onsubmit="AJAXSubmit(this); return false;"> | |
<fieldset> | |
<legend>Upload example</legend> | |
<p> | |
<label >Select your photo: | |
<input type="file" name="file"></label> | |
</p> | |
<p> | |
<input type="submit" value="Submit" /> | |
</p> | |
<img id="uploaded"> | |
<div id="results"></div> | |
</fieldset> | |
</form> | |
<?php | |
$cloud_name = "cloud_name"; | |
$api_key = "api_key"; | |
$api_secret = "api_secret"; | |
$timestamp = time(); | |
$signature = sha1("timestamp=".$timestamp.$api_secret); | |
?> | |
<script> | |
window.ajaxSuccess = function () { | |
response = JSON.parse(this.responseText); | |
console.log("ajaxSuccess", typeof this.responseText); | |
document.getElementById('uploaded').setAttribute("src", response["secure_url"]); | |
document.getElementById('results').innerText = this.responseText; | |
} | |
window.AJAXSubmit = function (formElement) { | |
console.log("starting AJAXSubmit"); | |
var xhr = new XMLHttpRequest(); | |
xhr.onload = ajaxSuccess; | |
var formData = new FormData(formElement); | |
formData.append("timestamp", <?php echo $timestamp ?>); | |
formData.append("signature", "<?php echo $signature ?>"); | |
formData.append("api_key", <?php echo $api_key ?>); | |
console.log(formData); | |
xhr.open("post", "https://api.cloudinary.com/v1_1/<?php echo $cloud_name ?>/image/upload"); | |
xhr.send(formData); | |
} | |
</script> | |
</body> | |
</html> |
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