authvisage-sdk/dist/pkceHandler.js

authvisage client sdk

/**
 * Utility class for handling PKCE authentication
 */
export class PKCEHandler {
    /**
     * Generates a PKCE challenge pair
     */
    static async generate() {
        const codeVerifier = crypto.randomUUID();
        const encoder = new TextEncoder();
        const data = encoder.encode(codeVerifier);
        const hash = await crypto.subtle.digest("SHA-256", data);
        const codeChallenge = Buffer.from(hash).toString("base64url");
        document.cookie = `${this.PKCE_COOKIE_NAME}=${codeVerifier}; Secure; HttpOnly; SameSite=Lax; Path=/;`;
        return { codeVerifier, codeChallenge };
    }
}
PKCEHandler.PKCE_COOKIE_NAME = "authVisage:pkce_verifier";
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