import platform from "../platform/index.js";
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import utils from "../utils.js";
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import isURLSameOrigin from "./isURLSameOrigin.js";
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import cookies from "./cookies.js";
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import buildFullPath from "../core/buildFullPath.js";
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import mergeConfig from "../core/mergeConfig.js";
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import AxiosHeaders from "../core/AxiosHeaders.js";
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import buildURL from "./buildURL.js";
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export default (config) => {
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const newConfig = mergeConfig({}, config);
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let { data, withXSRFToken, xsrfHeaderName, xsrfCookieName, headers, auth } = newConfig;
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newConfig.headers = headers = AxiosHeaders.from(headers);
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newConfig.url = buildURL(buildFullPath(newConfig.baseURL, newConfig.url, newConfig.allowAbsoluteUrls), config.params, config.paramsSerializer);
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// HTTP basic authentication
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if (auth) {
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headers.set('Authorization', 'Basic ' +
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btoa((auth.username || '') + ':' + (auth.password ? unescape(encodeURIComponent(auth.password)) : ''))
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);
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}
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if (utils.isFormData(data)) {
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if (platform.hasStandardBrowserEnv || platform.hasStandardBrowserWebWorkerEnv) {
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headers.setContentType(undefined); // browser handles it
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} else if (utils.isFunction(data.getHeaders)) {
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// Node.js FormData (like form-data package)
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const formHeaders = data.getHeaders();
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// Only set safe headers to avoid overwriting security headers
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const allowedHeaders = ['content-type', 'content-length'];
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Object.entries(formHeaders).forEach(([key, val]) => {
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if (allowedHeaders.includes(key.toLowerCase())) {
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headers.set(key, val);
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}
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});
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}
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}
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// Add xsrf header
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// This is only done if running in a standard browser environment.
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// Specifically not if we're in a web worker, or react-native.
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if (platform.hasStandardBrowserEnv) {
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withXSRFToken && utils.isFunction(withXSRFToken) && (withXSRFToken = withXSRFToken(newConfig));
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if (withXSRFToken || (withXSRFToken !== false && isURLSameOrigin(newConfig.url))) {
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// Add xsrf header
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const xsrfValue = xsrfHeaderName && xsrfCookieName && cookies.read(xsrfCookieName);
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if (xsrfValue) {
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headers.set(xsrfHeaderName, xsrfValue);
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}
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}
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}
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return newConfig;
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}
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