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app.py

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+import gradio as gr
+from generate_cnames import generate_cnames
+
+def generate_cnames(i_domains):
+    cf_domain = "silerudaagartha.eu.org"
+    cname_recs, cname_values = generate_cnames(i_domains, cf_domain)
+    table_data = []
+    for rec, value in zip(cname_recs, cname_values):
+        table_data.append([rec, value])
+    return table_data
+
+def app():
+    with gr.Blocks(title="Generate CNAMES for Project Gatekeeper") as webui:
+        with gr.Tab("STEP 1: Generate CNAME Records"):
+            with gr.Row():
+                cname_domains = gr.Textbox(value="thenayankasturi.eu.org, dash.thenayankasturi.eu.org, www.thenayankasturi.eu.org", label="Enter Domains", placeholder="thenayankasturi.eu.org, dash.thenayankasturi.eu.org, www.thenayankasturi.eu.org", type="text", interactive=True)
+                btn1 = gr.Button(value="Generate CNAME Records & Values")
+            with gr.Row():
+                records = gr.Dataframe(label="CNAME Records", headers=["CNAME", "CNAME VALUE"], row_count=(1), col_count=(2))
+            btn1.click(generate_cnames, inputs=cname_domains, outputs=records)
+    try:
+        webui.queue(default_concurrency_limit=25).launch(share=True)
+    except Exception as e:
+        print(f"Error: {e}")
+
+if __name__ == "__main__":
+    app()

generate_cnames.py

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+
+
+
+import hashlib
+
+
+def get_domains(i_domains):
+    domains = []
+    for domain in i_domains.split(","):
+        domain = domain.strip()
+        domains.append(domain)
+    return domains
+
+def extract_subdomains(domains):
+    exchange = min(domains, key=len)
+    return exchange
+
+def prefix(domain):
+    domain_bytes = domain.encode()
+    prefix = hashlib.blake2b(domain_bytes, digest_size=12).hexdigest()
+    return prefix
+
+def gen_cname_recs(domains):
+    cname_recs = []
+    for domain in domains:
+        cname_rec = f"_acme-challenge.{domain}"
+        cname_recs.append(cname_rec)
+    return cname_recs
+
+def gen_cname_values(domains, cf_domain, exchange):
+    temp_cname_values = []
+    cname_values = []
+    for domain in domains:
+        cname_value = prefix(domain)
+        cname_value = f"{cname_value}.{domain}"
+        temp_cname_values.append(cname_value)
+    for cname_value in temp_cname_values:
+        modified_cname_value = cname_value.replace(exchange, cf_domain)
+        cname_values.append(modified_cname_value)
+    return cname_values
+
+def gen_cname(domains, cf_domain, exchange):
+    cname_recs  = gen_cname_recs(domains)
+    cname_values = gen_cname_values(domains, cf_domain, exchange)
+    return cname_recs, cname_values
+
+def generate_cnames(i_domains, cf_domain):
+    domains = get_domains(i_domains)
+    exchange = extract_subdomains(domains=domains)
+    cname_recs, cname_values = gen_cname(domains, cf_domain, exchange)
+    return cname_recs, cname_values