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system/node_modules/ethers/lib.esm/utils/geturl.js

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+import http from "http";
+import https from "https";
+import { gunzipSync } from "zlib";
+import { assert, makeError } from "./errors.js";
+import { getBytes } from "./data.js";
+/**
+ *  @_ignore:
+ */
+export function createGetUrl(options) {
+    async function getUrl(req, signal) {
+        // Make sure we weren't cancelled before sending
+        assert(signal == null || !signal.cancelled, "request cancelled before sending", "CANCELLED");
+        const protocol = req.url.split(":")[0].toLowerCase();
+        assert(protocol === "http" || protocol === "https", `unsupported protocol ${protocol}`, "UNSUPPORTED_OPERATION", {
+            info: { protocol },
+            operation: "request"
+        });
+        assert(protocol === "https" || !req.credentials || req.allowInsecureAuthentication, "insecure authorized connections unsupported", "UNSUPPORTED_OPERATION", {
+            operation: "request"
+        });
+        const method = req.method;
+        const headers = Object.assign({}, req.headers);
+        const reqOptions = { method, headers };
+        if (options) {
+            if (options.agent) {
+                reqOptions.agent = options.agent;
+            }
+        }
+        // Create a Node-specific AbortController, if available
+        let abort = null;
+        try {
+            abort = new AbortController();
+            reqOptions.abort = abort.signal;
+        }
+        catch (e) {
+            console.log(e);
+        }
+        const request = ((protocol === "http") ? http : https).request(req.url, reqOptions);
+        request.setTimeout(req.timeout);
+        const body = req.body;
+        if (body) {
+            request.write(Buffer.from(body));
+        }
+        request.end();
+        return new Promise((resolve, reject) => {
+            if (signal) {
+                signal.addListener(() => {
+                    if (abort) {
+                        abort.abort();
+                    }
+                    reject(makeError("request cancelled", "CANCELLED"));
+                });
+            }
+            request.on("timeout", () => {
+                reject(makeError("request timeout", "TIMEOUT"));
+            });
+            request.once("response", (resp) => {
+                const statusCode = resp.statusCode || 0;
+                const statusMessage = resp.statusMessage || "";
+                const headers = Object.keys(resp.headers || {}).reduce((accum, name) => {
+                    let value = resp.headers[name] || "";
+                    if (Array.isArray(value)) {
+                        value = value.join(", ");
+                    }
+                    accum[name] = value;
+                    return accum;
+                }, {});
+                let body = null;
+                //resp.setEncoding("utf8");
+                resp.on("data", (chunk) => {
+                    if (signal) {
+                        try {
+                            signal.checkSignal();
+                        }
+                        catch (error) {
+                            return reject(error);
+                        }
+                    }
+                    if (body == null) {
+                        body = chunk;
+                    }
+                    else {
+                        const newBody = new Uint8Array(body.length + chunk.length);
+                        newBody.set(body, 0);
+                        newBody.set(chunk, body.length);
+                        body = newBody;
+                    }
+                });
+                resp.on("end", () => {
+                    if (headers["content-encoding"] === "gzip" && body) {
+                        body = getBytes(gunzipSync(body));
+                    }
+                    resolve({ statusCode, statusMessage, headers, body });
+                });
+                resp.on("error", (error) => {
+                    //@TODO: Should this just return nornal response with a server error?
+                    error.response = { statusCode, statusMessage, headers, body };
+                    reject(error);
+                });
+            });
+            request.on("error", (error) => { reject(error); });
+        });
+    }
+    return getUrl;
+}
+// @TODO: remove in v7; provided for backwards compat
+const defaultGetUrl = createGetUrl({});
+/**
+ *  @_ignore:
+ */
+export async function getUrl(req, signal) {
+    return defaultGetUrl(req, signal);
+}
+//# sourceMappingURL=geturl.js.map