Looking at the network tab, this seems a problem not with nextcloud but the proxy maybe.
The requests for the previews get blocked by CSP
Content-Security-Policy: Die Einstellungen der Seite haben das Laden einer Ressource (img-src) auf http://cloud.malobeo.org/apps/text/mediaPreview?documentId=920&mediaFileName=bizhub-c258-datasheet.pdf blockiert, da sie gegen folgende Direktive verstößt: "img-src 'self' data: blob: https://*.tile.openstreetmap.org"
<img width="1510" alt="grafik.png" src="attachments/313deaa7-bf4c-4ba3-ae11-3b7e1b9a37f6">
Looking at the network tab, this seems a problem not with nextcloud but the proxy maybe.
The requests for the previews get blocked by CSP
`Content-Security-Policy: Die Einstellungen der Seite haben das Laden einer Ressource (img-src) auf http://cloud.malobeo.org/apps/text/mediaPreview?documentId=920&mediaFileName=bizhub-c258-datasheet.pdf blockiert, da sie gegen folgende Direktive verstößt: "img-src 'self' data: blob: https://*.tile.openstreetmap.org"`
I dont think this is due to proxy settings since the error states that only image data from 'openstreetmap.org' is expected. This certainly is not configured by us but must be some problem within nextcloud source code, or within the nixos module we use for nextcloud.
Or there is a misconfiguration in our instances that makes the nextcloud belive pdf/images would be map data.
I dont think this is due to proxy settings since the error states that only image data from 'openstreetmap.org' is expected. This certainly is not configured by us but must be some problem within nextcloud source code, or within the nixos module we use for nextcloud.
Or there is a misconfiguration in our instances that makes the nextcloud belive pdf/images would be map data.
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Content-Security-Policy: Die Einstellungen der Seite haben das Laden einer Ressource (img-src) auf http://cloud.malobeo.org/apps/text/mediaPreview?documentId=920&mediaFileName=bizhub-c258-datasheet.pdf blockiert, da sie gegen folgende Direktive verstößt: "img-src 'self' data: blob: https://*.tile.openstreetmap.org"I dont think this is due to proxy settings since the error states that only image data from 'openstreetmap.org' is expected. This certainly is not configured by us but must be some problem within nextcloud source code, or within the nixos module we use for nextcloud.
Or there is a misconfiguration in our instances that makes the nextcloud belive pdf/images would be map data.
Ah also it requests from http not https which could be the problem.
Jep, http was the problem. Fixed in
c40d84ba4d