[android] SecurityException on opening GPX / KML files on a cold start #6944

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opened 2023-12-24 03:04:53 +00:00 by DesertBear · 0 comments

DesertBear commented

2023-12-24 03:04:53 +00:00

(Migrated from github.com)

Overview
In the latest release version of Organic Maps (2023.12.21-1-Google), opening *.gpx files in Organic Maps causes the app to crash. In certain scenarios, this also causes data loss (deleted files) and turns the user's folder into a 0 byte folder that cannot be interacted with any more.

Describe the issue
When inserting a MicroSD card into an Android device, the Android operating system gives two options: extended internal phone storage, or just normal non-encrypted SD card storage. I was initially using a MicroSD Card as extended internal phone storage.

Shortly after updating to the most recent version of Organic Maps, I added a new GPX file to a GPS Files folder that I have on my Android phone. I then tried opening the GPX file in Organic Maps using the default Android File Explorer (Files by Google).

Organic Maps started to open and displayed the green splash screen, but then closed (crashed) just as the map showed. After Organic Maps crashed, I went to try again, but all the GPX files in the folder had been deleted – the folder was completely empty. Therefore, I decided to just delete the folder and import the folder again from a PC via USB cable. However, it was not possible to delete, or even rename the folder either from a PC or the Android file explorer. The folder showed as 0 bytes and it was not possible to interact with it in any way. It was permanently stuck there with no way to get rid of it.

Next, I created a new folder with a different folder name, transferred it across from PC to Android and the same thing happened again: Organic Maps crashed, the files were deleted and it was not possible to delete or even rename the folder. I tried a third time and the same thing happened again.

I then formatted the SD card and set it to be used in Android as just a normal external memory card – rather than as internal storage. I also deleted Organic Maps and reinstalled it from the Google Play Store again.

However, the problem still persisted. This time, some times it was possible to open GPX files with Organic Maps, but the rest of the time it just crashed. The only difference was this time the files weren't being deleted and leaving a zombie folder when it crashed.

It's possible the issue may be affected by the zoom level that the app was at when it was last closed. For example, it doesn't appear to crash as often if I open Organic Maps, zoom out a long way, close the app, open the app, then open a GPX file. But this was somewhat inconclusive and may be just coincidence.

This issue did not occur in previous versions of Organic Maps. It's possible the issue was present in 2023.12.18-12-Google – as it was only released recently as well – however I never experienced the issue in that version the short time I used it.

Version	Status
2023.12.21-1-Google	NOT OK
2023.12.18-12-Google	OK
2023.11.17-17-Google	OK

Steps to reproduce

Export a GPX file using the bikerouter.de verylowtraffic profile and save it to Desktop.
Copy the *.gpx file from the Desktop to the Android device via USB cable. I had it saved in the following location and that particular "Name (On-road)" folder had around 50 GPX route files in it. That particular GPX file is 48 miles long, but the lengths of the routes make no difference – short routes will still crash.

This PC\Nokia 3.2\SanDisk SD card\Documents\GPS Files\Name\Name (On-road)\048 - Town A, Town B, Town C.gpx

Navigate to the below file location with the Android File Explorer and open the file.
Organic Maps has already been used on this device before with [Open with > Organic Maps], therefore the GPX file already automatically opens in Organic Maps just by tapping on it.

Files by Google > Browse > SD Card > Documents > GPS Files > Name > Name (On-road) > 048 - Town A, Town B, Town C.gpx

Actual behaviour

After tapping the *.gpx file in the File Explorer, Organic Maps starts to open and displays the green splash screen for about 5 seconds. Just as the green splash screen changes to the map, it closes (crashes).
If this is the second time it has crashed in a row, Android displays a dialogue box stating "Organic Maps keeps stopping" and gives the option to view "App info" or "Close app".

Expected behaviour

After tapping the *.gpx file in the File Explorer, Organic Maps should open and add the GPX route as a blue overlay on top of the map. When successful, it will also display a notification bubble at the bottom of the screen for a few seconds saying "Bookmarks loaded successfully".
Organic Maps will then also show the imported route in "Bookmarks and Tracks" when clicking the Star icon at the bottom.

System information:

Name	Version
Organic Maps	2023.12.21-1-Google
Operating System	Android 11
Google Play System Update	1 November 2023
Device	Nokia 3.2 (Android One)

**Overview** In the latest release version of Organic Maps (2023.12.21-1-Google), opening *.gpx files in Organic Maps causes the app to crash. In certain scenarios, this also causes data loss (deleted files) and turns the user's folder into a 0 byte folder that cannot be interacted with any more. **Describe the issue** When inserting a MicroSD card into an Android device, the Android operating system gives two options: extended internal phone storage, or just normal non-encrypted SD card storage. I was initially using a MicroSD Card as extended internal phone storage. Shortly after updating to the most recent version of Organic Maps, I added a new GPX file to a GPS Files folder that I have on my Android phone. I then tried opening the GPX file in Organic Maps using the default Android File Explorer (Files by Google). Organic Maps started to open and displayed the green splash screen, but then closed (crashed) just as the map showed. After Organic Maps crashed, I went to try again, but all the GPX files in the folder had been deleted – the folder was completely empty. Therefore, I decided to just delete the folder and import the folder again from a PC via USB cable. However, it was not possible to delete, or even rename the folder either from a PC or the Android file explorer. The folder showed as 0 bytes and it was not possible to interact with it in any way. It was permanently stuck there with no way to get rid of it. Next, I created a new folder with a different folder name, transferred it across from PC to Android and the same thing happened again: Organic Maps crashed, the files were deleted and it was not possible to delete or even rename the folder. I tried a third time and the same thing happened again. I then formatted the SD card and set it to be used in Android as just a normal external memory card – rather than as internal storage. I also deleted Organic Maps and reinstalled it from the Google Play Store again. However, the problem still persisted. This time, some times it was possible to open GPX files with Organic Maps, but the rest of the time it just crashed. The only difference was this time the files weren't being deleted and leaving a zombie folder when it crashed. It's possible the issue may be affected by the zoom level that the app was at when it was last closed. For example, it doesn't appear to crash as often if I open Organic Maps, zoom out a long way, close the app, open the app, then open a GPX file. But this was somewhat inconclusive and may be just coincidence. This issue did not occur in previous versions of Organic Maps. It's possible the issue was present in 2023.12.18-12-Google – as it was only released recently as well – however I never experienced the issue in that version the short time I used it. | Version | Status | | ------------- | ------------- | | 2023.12.21-1-Google | NOT OK | | 2023.12.18-12-Google | OK | | 2023.11.17-17-Google | OK | **Steps to reproduce** 1) Export a GPX file using the [bikerouter.de verylowtraffic profile](https://bikerouter.de/#map=7/51.75300/-1.27000/standard&profile=fastbike-verylowtraffic) and save it to Desktop. 2) Copy the *.gpx file from the Desktop to the Android device via USB cable. I had it saved in the following location and that particular "Name (On-road)" folder had around 50 GPX route files in it. That particular GPX file is 48 miles long, but the lengths of the routes make no difference – short routes will still crash. ``` This PC\Nokia 3.2\SanDisk SD card\Documents\GPS Files\Name\Name (On-road)\048 - Town A, Town B, Town C.gpx ``` 3) Navigate to the below file location with the Android File Explorer and open the file. Organic Maps has already been used on this device before with [Open with > Organic Maps], therefore the GPX file already automatically opens in Organic Maps just by tapping on it. ``` Files by Google > Browse > SD Card > Documents > GPS Files > Name > Name (On-road) > 048 - Town A, Town B, Town C.gpx ``` **Actual behaviour** 1) After tapping the *.gpx file in the File Explorer, Organic Maps starts to open and displays the green splash screen for about 5 seconds. Just as the green splash screen changes to the map, it closes (crashes). 2) If this is the second time it has crashed in a row, Android displays a dialogue box stating "Organic Maps keeps stopping" and gives the option to view "App info" or "Close app". **Expected behaviour** 1) After tapping the *.gpx file in the File Explorer, Organic Maps should open and add the GPX route as a blue overlay on top of the map. When successful, it will also display a notification bubble at the bottom of the screen for a few seconds saying "Bookmarks loaded successfully". 2) Organic Maps will then also show the imported route in "Bookmarks and Tracks" when clicking the Star icon at the bottom. **System information:** | Name | Version | | ------------- | ------------- | | Organic Maps | 2023.12.21-1-Google | | Operating System | Android 11 | | Google Play System Update | 1 November 2023 | | Device | Nokia 3.2 (Android One) |

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