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update ThreatAnalysis for Like Aktivity

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Michael Jerger 2024-01-04 18:25:43 +01:00
parent 6e46739090
commit fe9f26305f
1 changed files with 33 additions and 16 deletions
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49
docs/unsure-where-to-put/threat_analysis_star_activity.md
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@ -13,6 +13,12 @@ sequenceDiagram
fs ->> os: post /api/activitypub/repository-id/1/inbox {Start-Activity}
activate os
os ->> os: validate request inputs
activate os
os ->> fs: get .well-known/nodeinfo
os ->> NodeInfoWellKnown: create & validate
os ->> fs: get api/v1/nodeinfo
os ->> NodeInfo: create & validate
deactivate os
activate repository
os ->> repository: search for reop with object-id
deactivate repository
@ -21,6 +27,7 @@ sequenceDiagram
user ->> user: create if not found
activate user
user ->> fs: get /api/activitypub/user-id/{id from actor}
user ->> user: validate response
user ->> user: create user from response
deactivate user
deactivate user
@ -32,24 +39,31 @@ sequenceDiagram
### Data transfered
```
# edn notation
{@context [
"as": "https://www.w3.org/ns/activitystreams#",
"forge": "https://forgefed.org/ns#",],
::as/id "https://repo.prod.meissa.de/api/v1/activitypub/user-id/1/outbox/12345",
::as/type "Star",
::forge/source "forgejo",
::as/actor "https://repo.prod.meissa.de/api/v1/activitypub/user-id/1",
::as/object "https://codeberg.org/api/v1/activitypub/repository-id/12"
}
# NodeInfoWellKnown
{"links":[
{"href":"https://federated-repo.prod.meissa.de/api/v1/nodeinfo",
"rel":"http://nodeinfo.diaspora.software/ns/schema/2.1"}]}
# json notation
# NodeInfo
{"version":"2.1",
"software":{"name":"gitea",
...}}
# LikeActivity
{"id": "https://repo.prod.meissa.de/api/v1/activitypub/user-id/1/outbox/12345",
"type": "Star",
"source": "forgejo",
"type": "Like",
"actor": "https://repo.prod.meissa.de/api/v1/activitypub/user-id/1",
"object": "https://codeberg.org/api/v1/activitypub/repository-id/12"
"startTime": "2014-12-31T23:00:00-08:00"
}
# Person
{"id":"https://federated-repo.prod.meissa.de/api/v1/activitypub/user-id/10",
"type":"Person",
"preferredUsername":"stargoose9",
"publicKey":{"id":"https://federated-repo.prod.meissa.de/api/v1/activitypub/user-id/10#main-key",
"owner":"https://federated-repo.prod.meissa.de/api/v1/activitypub/user-id/10",
"publicKeyPem":"-----BEGIN PUBLIC KEY-----\nMIIBoj...XAgMBAAE=\n-----END PUBLIC KEY-----\n"}}
```
### Data Flow
@ -57,9 +71,12 @@ sequenceDiagram
```mermaid
flowchart TD
A(User) --> |stars a federated repository| B(foreign repository server)
B --> |Star Activity| C(our repository server)
B --> |Like Activity| C(our repository server)
C --> |get NodeInfoWellKnown| B
C --> |get NodeInfo| B
C --> |get Person Actor| B
C --> |create federated user localy| D(our database)
C --> |cache/create federated user localy| D(our database)
C --> |cache/create NodeInfo localy| D(our database)
C --> |add star to repo localy| D
```
@ -100,7 +117,7 @@ flowchart TD
| 1. | ... tbd | | | | | |
| 2. | ... tbd | | | | | |
Bewertet wird mit Schulnoten von 1 - 6
Threat Score with values between 1 - 6
* Damage – wie groß wäre der Schaden, wenn der Angriff erfolgreich ist? 6 ist ein sehr schlimmer Schaden.
* Reproducibility – wie einfach wäre der Angriff reproduzierbar? 6 ist sehr einfach zu reproduzieren.