forked from Unity-Technologies/UnityCsReference
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathHandler.cs
More file actions
115 lines (101 loc) · 4.7 KB
/
Handler.cs
File metadata and controls
115 lines (101 loc) · 4.7 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
// Unity C# reference source
// Copyright (c) Unity Technologies. For terms of use, see
// https://unity3d.com/legal/licenses/Unity_Reference_Only_License
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using UnityEditorInternal;
namespace UnityEditor.RestService
{
[UnityEngine.Scripting.RequiredByNativeCode]
internal abstract class Handler
{
// The following methods are invoked from native code.
protected abstract void InvokeGet(Request request, string payload, Response writeResponse);
protected abstract void InvokePost(Request request, string payload, Response writeResponse);
protected abstract void InvokeDelete(Request request, string payload, Response writeResponse);
}
internal abstract class JSONHandler : Handler
{
protected override void InvokeGet(Request request, string payload, Response writeResponse)
{
CallSafely(request, payload, writeResponse, HandleGet);
}
protected override void InvokePost(Request request, string payload, Response writeResponse)
{
CallSafely(request, payload, writeResponse, HandlePost);
}
protected override void InvokeDelete(Request request, string payload, Response writeResponse)
{
CallSafely(request, payload, writeResponse, HandleDelete);
}
private static void CallSafely(Request request, string payload, Response writeResponse, Func<Request, JSONValue, JSONValue> method)
{
try
{
JSONValue json = null;
if (payload.Trim().Length == 0)
json = new JSONValue();
else
{
try
{
json = new JSONParser(request.Payload).Parse();
}
catch (JSONParseException)
{
ThrowInvalidJSONException();
}
}
writeResponse.SimpleResponse(HttpStatusCode.Ok, "application/json", method(request, json).ToString());
}
catch (JSONTypeException)
{
ThrowInvalidJSONException();
}
catch (KeyNotFoundException)
{
RespondWithException(writeResponse, new RestRequestException { HttpStatusCode = HttpStatusCode.BadRequest });
}
catch (RestRequestException rre)
{
RespondWithException(writeResponse, rre);
}
catch (Exception e)
{
RespondWithException(writeResponse, new RestRequestException {HttpStatusCode = HttpStatusCode.InternalServerError, RestErrorString = "InternalServerError", RestErrorDescription = "Caught exception while fulfilling request: " + e});
}
}
private static void ThrowInvalidJSONException()
{
throw new RestRequestException {HttpStatusCode = HttpStatusCode.BadRequest, RestErrorString = "Invalid JSON"};
}
private static void RespondWithException(Response writeResponse, RestRequestException rre)
{
var body = new StringBuilder("{");
if (rre.RestErrorString != null)
body.AppendFormat("\"error\":\"{0}\",", rre.RestErrorString);
if (rre.RestErrorDescription != null)
body.AppendFormat("\"errordescription\":\"{0}\"", rre.RestErrorDescription);
body.Append("}");
writeResponse.SimpleResponse(rre.HttpStatusCode, "application/json", body.ToString());
}
virtual protected JSONValue HandleGet(Request request, JSONValue payload)
{
throw new RestRequestException {HttpStatusCode = HttpStatusCode.MethodNotAllowed, RestErrorString = "MethodNotAllowed", RestErrorDescription = "This endpoint does not support the GET verb."};
}
virtual protected JSONValue HandlePost(Request request, JSONValue payload)
{
throw new RestRequestException { HttpStatusCode = HttpStatusCode.MethodNotAllowed, RestErrorString = "MethodNotAllowed", RestErrorDescription = "This endpoint does not support the POST verb."};
}
virtual protected JSONValue HandleDelete(Request request, JSONValue payload)
{
throw new RestRequestException { HttpStatusCode = HttpStatusCode.MethodNotAllowed, RestErrorString = "MethodNotAllowed", RestErrorDescription = "This endpoint does not support the DELETE verb."};
}
protected static JSONValue ToJSON(IEnumerable<string> strings)
{
return new JSONValue(strings.Select(s => new JSONValue(s)).ToList());
}
}
}