Webwhatsapp-wrapper: Download image problem

[eduardobento]

I´m use msg.mediaData.attributes.renderableUrl to get blob url to download image. But now is undefined. Any ideias ?

[mmoreirasouza]

same problem here

[fidelinkbr]

Help.
model.mediaData.mediaBlob is null

[janke184]

We have the same problem. We used to use message_js["mediaData"]["renderableUrl"] to retrieve the media but now, that attribute is "None"

[efjgrub]

I think it's an instability of WHATSAP, because the property sometimes
appears and sometimes it disappears in my browser, when that happens, only
the preview of the image works.

Em sex, 27 de set de 2019 às 17:46, Giancarlo [e-mail]
escreveu:

We have the same problem. We used to use
message_js["mediaData"]["renderableUrl"] to retrieve the media but now,
that attribute is "None"

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[mmoreirasouza]

for document, video and audio media type it works
just for image it's undefined

[yurik44]

Any solution or walkthrough?

[efjgrub]

Anybody here had sucess ?

Em sex, 27 de set de 2019 19:58, yurik44 [e-mail]
escreveu:

Any solution or walkthrough?

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[samuelrbo]

Anybody here had sucess ? Em sex, 27 de set de 2019 19:58, yurik44 [e-mail] escreveu:
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Not yet :(

I've noticed that there's a new way request when images are loaded

I got every parameters that the request require, but the request download a .enc file.

I'm tring to find the method thats create de blob' link but I'm not having luck with it and I'm not right that it is the correct way :(

[eduardobento]

downloadFile = function (msg, done) {
let xhr = new XMLHttpRequest();
xhr.onload = function () {
if (xhr.readyState == 4) {
if (xhr.status == 200) {
done(xhr.response, msg);
} else {
console.error(xhr.statusText);
}
} else {
console.log(err);
done(false);
}
};

        xhr.open("GET", msg.clientUrl, true);
        xhr.responseType = 'arraybuffer';
        //xhr.responseType = 'blob';
        xhr.send(null);
    };

downloadFile(messageObj, function(result, message) {
console.log("Encryption Key:" + message.mediaKey);
console.log("Image Data:");
console.log(result);
Store.CryptoLib.decryptE2EMedia(message.type, result, message.mediaKey, message.mimetype).then(function(a) {
console.log("Decrypted Data:");
console.log(a);
console.log(a._blob);

                                let reader = new FileReader();
                                reader.readAsDataURL(a._blob);
                                reader.onload = function (e) {
                                    console.log("FileReader result1:")
                                    console.log(reader.result)
                                    console.log("FileReader result2:")
                                    console.log(reader.result.substr(reader.result.indexOf(',') + 1));
                                };
                            }).catch(function(e) {
                                console.log("Error: " + e);
                            });
                        });

[samuelrbo]

Tnx @eduardobento

Just organizing a response from @eduardobento

1. Change the downloadFIle méthod from WAPI to use msg object instead of url

window.WAPI.downloadFile = function (msg, done) {
    let xhr = new XMLHttpRequest();

    xhr.onload = function () {
        if (xhr.readyState == 4) {
            if (xhr.status == 200) {
                done(xhr.response, msg);
            } else {
                console.error(xhr.statusText);
            }
        } else {
            console.log(err);
            done(false);
        }
    };

    xhr.open("GET", msg.clientUrl, true);
    xhr.responseType = 'arraybuffer';
    //xhr.responseType = 'blob';
    xhr.send(null);
};

1. Use the callback function and retrive the BLOB link.

function getMediaFile(msg, callbackFunction) {
    window.WAPI.downloadFile(msg, function(result, message) {
        Store.CryptoLib.decryptE2EMedia(message.type, result, message.mediaKey, message.mimetype).then(function(a) {
            const reader = new FileReader();

            reader.addEventListener('loadend', (e) => {
                callbackFunction(e.target);
            });

            reader.readAsDataURL(a._blob);
        });
    });
}

[fattynoparents]

It seems that this way, though, images are returned compressed and not in their original resolutions.
Or am I missing something here?

[jersonjunior]

In python:

elif message.type == 'image' or message.type == 'video':
                print('-- Image or Video')
                print('filename', message.filename)
                print('size', message.size)
                print('mime', message.mime)
                print('caption', message.caption)
                print('client_url', message.client_url)
                message.save_media('./images',force_download=True)