docs,config: add Oracle.AllowedContentTypes option

Signed-off-by: Evgeniy Stratonikov <evgeniy@nspcc.ru>

config/protocol.mainnet.yml

@@ -61,6 +61,8 @@ ApplicationConfiguration:
   MinPeers: 5
   Oracle:
     Enabled: false
+    AllowedContentTypes:
+      - application/json
   P2PNotary:
     Enabled: false
     UnlockWallet:

config/protocol.privnet.docker.four.yml

@@ -57,6 +57,8 @@ ApplicationConfiguration:
   MinPeers: 3
   Oracle:
     Enabled: false
+    AllowedContentTypes:
+      - application/json
     Nodes:
       - 172.200.0.1:30333
       - 172.200.0.2:30334

config/protocol.privnet.docker.one.yml

@@ -57,6 +57,8 @@ ApplicationConfiguration:
   MinPeers: 3
   Oracle:
     Enabled: false
+    AllowedContentTypes:
+      - application/json
     Nodes:
       - 172.200.0.1:30333
       - 172.200.0.2:30334

config/protocol.privnet.docker.single.yml

@@ -51,6 +51,8 @@ ApplicationConfiguration:
   MinPeers: 0
   Oracle:
     Enabled: false
+    AllowedContentTypes:
+      - application/json
     Nodes:
       - 172.200.0.1:30333
     RequestTimeout: 5s

config/protocol.privnet.docker.three.yml

@@ -57,6 +57,8 @@ ApplicationConfiguration:
   MinPeers: 3
   Oracle:
     Enabled: false
+    AllowedContentTypes:
+      - application/json
     Nodes:
       - 172.200.0.1:30333
       - 172.200.0.2:30334

config/protocol.privnet.docker.two.yml

@@ -57,6 +57,8 @@ ApplicationConfiguration:
   MinPeers: 3
   Oracle:
     Enabled: false
+    AllowedContentTypes:
+      - application/json
     Nodes:
       - 172.200.0.1:30333
       - 172.200.0.2:30334

config/protocol.testnet.yml

@@ -61,6 +61,8 @@ ApplicationConfiguration:
   MinPeers: 5
   Oracle:
     Enabled: false
+    AllowedContentTypes:
+      - application/json
   P2PNotary:
     Enabled: false
     UnlockWallet:

docs/oracle.md

@@ -19,6 +19,8 @@ Parameters:
  * `AllowPrivateHost`: boolean value, enables/disables private IPs (like
    127.0.0.1 or 192.168.0.1) for https requests, it defaults to false and it's
    false on public networks, but you can enable it for private ones.
+ * `AllowedContentTypes`: list of allowed MIME types. Only `application/json`
+   is allowed by default. Can be left empty to allow everything.
  * `Nodes`: list of oracle node RPC endpoints, it's used for oracle node
    communication. All oracle nodes should be specified there.
  * `NeoFS`: a subsection of its own for NeoFS configuration with two