Implementing API Key based access control for mod-tiles

Question

Hi,

I have setup OSM server using mod-tiles and renderd. I want to implement key based access control to map tiles, something similar to Google map key. How can I do this?

Answer 1

2

There are many possible ways to do that. You could certainly add key handling directly to mod_tile if some C programming isn't too big a hurdle. Another option (but one that requires a config file reload on Apache every time the list changes) is to do this via Apache, either by creating one "AddTileConfig" directive per API key or by using somethig like mod_perl to generate these AddTileConfig rules programmatically, reading the keys from a file.

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answered 21 Jan '17, 22:18

Frederik Ramm ♦
75.8k●88●680●1171
accept rate: 24%

edited 31 Mar '17, 17:38

Could you provide an example of 'creating one "AddTileConfig" directive per API key'?

(31 Mar '17, 17:06) rgwozdz

1

Sure: Instead of

AddTileConfig /tile mycoolmapstyle

which will lead Apache to map http://somehost/tile/z/x/y.png to tiles of your "mycoolmapstyle" type, you would

AddTileConfig /apikey1 mycoolmapstyle
AddTileConfig /apikey2 mycoolmapstyle
AddTileConfig /apikey3 mycoolmapstyle

and so on. These API keys, if long enough, cannot be guessed so they are "secret". Instead of the above, it is also possible to use mod_perl to read the API keys from a file and then generate the AddTileConfig directives.

(31 Mar '17, 17:38) Frederik Ramm ♦

1

Thanks very much, that really helps.

(31 Mar '17, 18:24) rgwozdz

Hi,

If I add an apikey in tileserver_site.conf as given above, then what changes do I need to make in my OpenLayer code to access the map?

(24 Jul '17, 10:25) Reshma Maner

1

When creating the tile layer in OpenLayers you can specify the URL to use. In your case the URL would have to look like http://myserver/apikey1/${z}/${x}/${y}.png.

(24 Jul '17, 13:24) Frederik Ramm ♦

Answer 2

0

Hi, I dont understand how it works. Please, explain me. What means "mycoolmapstyle" in the example? I f i create a "/apikey1" i dont need create a symbolic link to /var/lib/mod_tile? Do you have an example of mod_perl and where i save this files?

Thank you.

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answered 10 May '18, 23:36

Flaviomx14
10●1
accept rate: 0%

edited 10 May '18, 23:38

Implementing API Key based access control for mod-tiles

AddTileConfig /folder/ TileSetName

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