Element-android: Strip EXIF from uploaded JPEGs by default to preserve privacy.

Created on 10 May 2020 · 5Comments · Source: vector-im/element-android

matrix-org/matrix-react-sdk#1307 implements this for Riot Web; Android should also by default strip GPS info from uploaded images.

(We could also strip out the EXIF rotation metadata at this point and put it in the event itself, so that clients displaying the image can rotate appropriately)

twinned with https://github.com/vector-im/riot-ios/issues/3230

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ara4n

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(We could also strip out the EXIF rotation metadata at this point and put it in the event itself, so that clients displaying the image can rotate appropriately)

This one seems like a bad idea, since then when you save a copy of the image it'd have the wrong rotation.

auscompgeek on 8 Jun 2020

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If RiotX won't strip all EXIF data by default (e.g. just GPS) then it would be nice to have a switch that would allow the user to have RiotX strip ALL EXIF data.

Atrate on 10 May 2020

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I feel like this is a duplicate of #465 ... I also already posted some ideas about how to implement a "option" to send the original image with all exif data without adding settings or checkmarks wich are complex (tbh confusing for the average user who doesn't really care about what EXIF is)...

also related: #978 (rotation metadata)

violoncelloCH on 10 May 2020

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(We could also strip out the EXIF rotation metadata at this point and put it in the event itself, so that clients displaying the image can rotate appropriately)

This one seems like a bad idea, since then when you save a copy of the image it'd have the wrong rotation.

auscompgeek on 8 Jun 2020

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Please make this optional.