LibreContacts

Add WhatsApp profile photos to your phone contacts.

1 follower

Add WhatsApp profile photos to your phone contacts.

1 follower

Many of my iPhone contacts had outdated profile photos or no profile photo at all. This app fixes that. Turns out it also helps me identifying colleagues from who I do not know the name but do remember the faces. It is a Chrome extension with an iPhone app.

Launch tags:iOS•Chrome Extensions•Productivity

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@roel_kramer How is the secure connection between the browser and the phone app realized? I assume the Chrome extension is gathering the data (contact names, phone numbers, images) and then providing a link via the shown QR code. The phone app then downloads an (hopefully encrypted?) bundle and parses the information comparing it to the phone's local contacts?

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7yr ago

LibreContacts

Maker

@boettges Hi Peter, thanks for trying the app! (This is an answer to the previous question in the same comment) Does the QR Code look like the QR code displayed in the purple box of the first screenshot? If not, you probably have to connect web.whatsapp.com to your phone first by following the instructions on the screen. Then try again!

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7yr ago

@roel_kramer Hey, thanks for your reply. The issue was resolved. At fist I didn't know that the the displayed number of contacts was a button to start the synchronisation/transfer. I edited my initial post and replaced it with a question regarding how the data transfer is managed. So far it worked flawlessly! Furthermore some feedback: It would be great, if the app would remember the choice made for each contact, whether the WhatsApp profile image or the local one should be kept. According filter options in the app would also be great to minimize the work to go through the entire list.

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7yr ago

LibreContacts

Maker

@boettges the app uses WebRTC for device-to-device communication. This means the data is send from your browser to your phone directly. Contact data is not uploaded to a server, or any other download url somewhere on the internet. In fact, it does not work with download urls. Sending of data (usually) happens on your local network. All communication is encrypted of course. A simplified example: The extension has a unique id (e.g.: "abcefg123456") which it communicates via the QR-Code to the app. Then a "handshake" has to be arranged at some place so connection-details can be exchanged. This handshake has to be done on a server, my server. This is according to WebRTC specification. After the handshake, data can be send between the app and browser without servers in between. Handshake example: - Browser sends a message to the server: Hi! I would like to exchange my local ip with an app identifying itself as: abcdefg123456. I am available at 192.168.0.1. - App messages server: Hi! i am abcdefg123456 i am available at 192.168.0.2 - Server messages both app and browser: you can message each other at 192.168.0.1 and 192.168.0.2 No contact data has been send, all that has been done is that the app and browser are introduced to each other and both know how to send messages to each other. Sending of data example: - Then the app speaks to the browser directly: Hey i'd like to connect with you i am abcdefg123456. - Browser says to the app: nice to meet you! - App says to the browser: give me the contacts. - Browser says to app: here is a package with the contacts

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7yr ago

@roel_kramer This is a very helpful explanation! It would be amazing to have this in an FAQ section in the app and your website. Also I would put this in a triangle-diagram (browser, phone, your server) to explain it to users with just a quick glance. Mentioning WebRTC in the description would also be helpful to establish a certain level of trust. Great app, it really solved a long standing problem for me. Thank you for the work!

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7yr ago

LibreContacts

Maker

@boettges thanks for the feedback. Great to hear the app solves a problem :) I will mention the WebRTC explanation on the website or on the extension/app download pages. About the remembering choices: it is on my backlog.

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7yr ago

@roel_kramer la aplicacion no me funciona, la extension de crhome parece no funcionar al dia de hoy podrias revisarlo? utilizo iphone y me gustaria usar su app

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7yr ago

LibreContacts

Maker

@pilar_es_hogar Hola Pilar, gracias por tu comentario. Yo acabo de probarlo y parece funcionar correctamente. ¿Qué es lo que no te funciona exactamente? ¿Estás segura que has conectado WhatsApp correctamente a web.whatsapp.com? WhatsApp se conecta correctamente cuando puedes enviar mensajes desde Chrome a contactos de tu lista. @pilar_es_hogar Hi Pilar, thanks for your report. I just tried it and it seems to work fine. What exactly is not working? Are you sure you connected WhatsApp properly to web.whatsapp.com? WhatsApp is successfully connected when you can actually send messages from Chrome to people in your contact list.

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7yr ago

@roel_kramer @roel_kramer gracias por contestar! Cuando abro la App y quiero realizar el scan qr en LibreContacts me aparece que es inválido y probé muchas veces y no continúa, tengo la extensión instalada pero no logro sincronizar

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7yr ago

LibreContacts

Maker

@pilar_es_hogar I really want to help you, but i need some more details on what is not working. What exactly is not working for you? What does the app say? Does it hang at "Connecting", or does it not recognise the QR code? Can you post a screenshot of the app somewhere? Also: what kind of iPhone do you have and which iOS version do you have. Thanks!

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7yr ago

@roel_kramer Gracias por contestar rapidamente, adjunto capturas de pantalla con el error, tengo iPhone 7 con la version de IOS 12.4.1 https://subefotos.com/ver/?5a770... https://subefotos.com/ver/?e0003... si quiero ingresar a whatsapp web de forma normal con la extension no se puede, si desactivo la extension si funciona normal. desde ya muchas gracias!

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7yr ago

LibreContacts

Maker

@pilar_es_hogar I Appreciate your effort! I am not a native Spanish speaker, I get help from a Spanish colleague when reading your comments, so if you can reply in English, that would be really helpful. About your problem: First connect WhatsApp to your Chrome-browser. Read the instructions in your browser first. It explains how to connect WhatsApp, or read Spanish instructions here: https://faq.whatsapp.com/en/web/.... After that is done, another QR code shows up, in a purple box with a LibreContacts logo next to it. That is the one you should scan with the LibreContacts App. I understand it can be confusing at first, both WhatsApp and my App need a QR code.

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7yr ago

LibreContacts

Maker

I built this mainly to scratch my own itch, many contacts do not have recent photo's or no photos at all. And it annoyed me. I am aware that installing a chrome extension and an app to make this work is not ideal, but it really is the only way to get whatsapp data. The transfer of contact-data is directly between the browser and the app (using WebRTC). No contact information is sent to any server. Privacy is important to me.

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7yr ago

@roel_kramer hello, I can´t sincronize contacts,, I scaned QR code and show me connecting... but it stay freeze. could you help me? thanks

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6yr ago

LibreContacts

Maker

@gustavo_cruz1 I did reproduce the problem on my company network with macos catalina with the latest chrome version (79). Also running ios 13.3. Which versions are you on?

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6yr ago

@roel_kramer Hi, thanks for you reply. I have IOS 13.3 and in chrome: Versión 78.0.3904.108 (Build oficial) (64 bits)

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6yr ago

LibreContacts

Maker

@gustavo_cruz1 i fixed it today. Enjoy!

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6yr ago

@roel_kramer Hi, I had to change my laptop, but now I can´t install chrome extension , any solution? thks

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6yr ago

Why "Libre" in the name? My first thought when seeing this was that it was somehow connected to LibreOffice

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7yr ago

LibreContacts

Maker

@thrillifying My original plan was to "liberate" contact data from walled-garden companies like facebook, WhatsApp and LinkedIn. So then a logo was made, all parts of the project where named like this. But time ran out, so for now only WhatsApp is supported and (for now) I am stuck with the name. Thanks for your comment!

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7yr ago

helo @roel_kramer, congratulations for the initiative, but, every time i install the extension Whatsapp Web stop working...my chrome is 79.0.3945.117. I have to remove to be able to access back again. Any thoughts?

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6yr ago

@roel_kramer @william_alban same here. The whatsapp web page will never load the QR code if it detects that the chrome extension is trying to took data from the site. Any solution?

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6yr ago

Hi Roel, what's the current status? maybe your handshaking server down? I did after some effort get the extension to scan my contacts and display a QR code, but the iOS app doesn't get past "connecting". BTW, keep in mind that Chrome now has implemented an "Anonymize local IPs exposed by WebRTC" flag that is enabled by default, I did disable it because I guessed it might interfere with your extension. But still the iOS app doesn't "connect". It'd be ideal if the iOS app first says "handshaking through server" and then "connecting to browser", so we can know where is it getting stuck.

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6yr ago

LibreContacts

Maker

@rmitxe i am working on a fix to get whatsapp working again, that causes problems now. Hopefully the webrtc thing is not in the way. Please be patient while i am working on the fix.

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6yr ago

The app is struck on connecting and doesnt proceed further. Issue with both MacOs High Sierra and Windows 10. Chrome version 80. iOS version 13.3. WhatsApp version 2.20.22. Any solutions pls ?

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6yr ago

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