Hugging Face's logo

Spaces:
2api
/
9router
Running

App Files Community
9router
File size: 3,637 Bytes
88c4c60
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
import { getProxyPoolById } from "@/models";

// Safely normalize any value into a trimmed string.
function normalizeString(value) {
  if (value === undefined || value === null) return "";
  return String(value).trim();
}

/**
 * Normalize legacy proxy configuration.
 */
function normalizeLegacyProxy(providerSpecificData = {}) {
  const connectionProxyEnabled =
    providerSpecificData?.connectionProxyEnabled === true;

  const connectionProxyUrl = normalizeString(
    providerSpecificData?.connectionProxyUrl
  );

  const connectionNoProxy = normalizeString(
    providerSpecificData?.connectionNoProxy
  );

  return {
    connectionProxyEnabled,
    connectionProxyUrl,
    connectionNoProxy,
  };
}

/**
 * Resolve final proxy configuration.
 *
 * Priority:
 * 1. Proxy Pool
 * 2. Legacy Proxy
 * 3. No Proxy
 */
export async function resolveConnectionProxyConfig(
  providerSpecificData = {}
) {
  try {
    const proxyPoolIdRaw = normalizeString(
      providerSpecificData?.proxyPoolId
    );

    // "__none__" means explicitly disabled
    const proxyPoolId =
      proxyPoolIdRaw === "__none__" ? "" : proxyPoolIdRaw;

    const legacy = normalizeLegacyProxy(providerSpecificData);

    /**
     * -----------------------------
     * Proxy Pool Resolution
     * -----------------------------
     */
    if (proxyPoolId) {
      const proxyPool = await getProxyPoolById(proxyPoolId);

      const proxyUrl = normalizeString(proxyPool?.proxyUrl);
      const noProxy = normalizeString(proxyPool?.noProxy);

      const isValidPool =
        proxyPool &&
        proxyPool.isActive === true &&
        proxyUrl;

      if (isValidPool) {
        /**
         * Vercel/Cloudflare relay proxies use base URL rewriting
         * instead of HTTP_PROXY environment variables.
         */
        if (proxyPool.type === "vercel" || proxyPool.type === "cloudflare" || proxyPool.type === "deno") {
          return {
            source: proxyPool.type,

            proxyPoolId,
            proxyPool,

            connectionProxyEnabled: false,
            connectionProxyUrl: "",
            connectionNoProxy: noProxy,

            strictProxy: proxyPool.strictProxy === true,

            vercelRelayUrl: proxyUrl, // Still mapped to vercelRelayUrl in the unified payload since they use the exact same header spec
          };
        }

        /**
         * Standard proxy pool
         */
        return {
          source: "pool",

          proxyPoolId,
          proxyPool,

          connectionProxyEnabled: true,
          connectionProxyUrl: proxyUrl,
          connectionNoProxy: noProxy,

          strictProxy: proxyPool.strictProxy === true,
        };
      }
    }

    /**
     * -----------------------------
     * Legacy Proxy Fallback
     * -----------------------------
     */
    if (
      legacy.connectionProxyEnabled &&
      legacy.connectionProxyUrl
    ) {
      return {
        source: "legacy",

        proxyPoolId: proxyPoolId || null,
        proxyPool: null,

        ...legacy,
      };
    }

    /**
     * -----------------------------
     * No Proxy Config
     * -----------------------------
     */
    return {
      source: "none",

      proxyPoolId: proxyPoolId || null,
      proxyPool: null,

      ...legacy,
    };
  } catch (error) {
    console.error(
      "[resolveConnectionProxyConfig] Failed to resolve proxy config:",
      error
    );

    return {
      source: "error",

      proxyPoolId: null,
      proxyPool: null,

      connectionProxyEnabled: false,
      connectionProxyUrl: "",
      connectionNoProxy: "",

      strictProxy: false,
    };
  }
}