dns challenge for aliyun works

.gitignore

@@ -1,3 +1,5 @@
+certs/
+test_cert_config.json
 acme_dir/
 .idea/
 __temp_dir/

src/ali_dns.rs

@@ -1,11 +1,40 @@
+use serde::{Deserialize, Serialize};
 use aliyun_openapi_core_rust_sdk::RPClient;
 use rust_util::XResult;
 
 static ALI_DNS_ENDPOINT: &str = "https://alidns.aliyuncs.com";
 static ALI_DNS_API_VERSION: &str = "2015-01-09";
 
+#[derive(Debug)]
+pub struct AccessCredential {
+    access_key_id: String,
+    access_key_secret: String,
+}
+
+// syntax: account://***:***@alibabacloud?id=dns
+pub fn simple_parse_aliyun_supplier(supplier: &str) -> XResult<AccessCredential> {
+    if !supplier.starts_with("account://") {
+        return simple_error!("Supplier syntax error: {}", supplier);
+    }
+    let access_key_id_and_secret: String = supplier.chars().skip("account://".len()).take_while(|c| *c != '@').collect();
+    let c_pos = opt_value_result!(access_key_id_and_secret.find(":"), "Supplier syntax error: {}", supplier);
+
+    let access_key_id = access_key_id_and_secret.chars().take(c_pos).collect();
+    let access_key_secret = access_key_id_and_secret.chars().skip(c_pos + 1).collect();
+
+    Ok(AccessCredential { access_key_id, access_key_secret })
+}
+
 #[derive(Clone, Debug, Serialize, Deserialize)]
-pub struct ListDnsResponseErrorResponse {
+pub struct CommonSuccessResponse {
+    #[serde(rename = "RequestId")]
+    pub request_id: String,
+    #[serde(rename = "RecordId")]
+    pub record_id: String,
+}
+
+#[derive(Clone, Debug, Serialize, Deserialize)]
+pub struct CommonErrorResponse {
     #[serde(rename = "RequestId")]
     pub request_id: String,
     #[serde(rename = "Message")]
@@ -29,7 +58,13 @@ pub struct ListDnsResponse {
     #[serde(rename = "PageNumber")]
     pub page_number: i32,
     #[serde(rename = "DomainRecords")]
-    pub domain_records: Vec<DnsRecord>,
+    pub domain_records: DnsRecords,
+}
+
+#[derive(Clone, Debug, Serialize, Deserialize)]
+pub struct DnsRecords {
+    #[serde(rename = "Record")]
+    pub record: Vec<DnsRecord>,
 }
 
 #[derive(Clone, Debug, Serialize, Deserialize)]
@@ -53,106 +88,69 @@ pub struct DnsRecord {
     #[serde(rename = "TTL")]
     pub ttl: i32,
     #[serde(rename = "Weight")]
-    pub weight: i32,
+    pub weight: Option<i32>,
 }
 
-pub struct Response {
-    #[serde(rename = "RequestId")]
-    pub request_id: String,
-    #[serde(rename = "RecordId")]
-    pub record_id: String,
-}
-
-
-#[derive(Debug)]
-pub struct AccessCredential {
-    access_key_id: String,
-    access_key_secret: String,
-}
-
-#[test]
-fn test() {
-    let a = AccessCredential {
-        access_key_id: "***".to_string(),
-        access_key_secret: "***".to_string(),
-    };
-    let client = create_dns_client(&a);
-    println!("{}", list_dns(&client, "webauthn1.host").unwrap());
-    // println!("{}", add_dns_txt(&client, "webauthn.host").unwrap());
-    // println!("{}", delete_dns(&client, "744459160027659264").unwrap());
-}
-
-// {
-//   "TotalCount": 2,
-//   "RequestId": "8993B447-F1FF-58ED-9D4B-1027B551DC5E",
-//   "PageSize": 20,
-//   "DomainRecords": {
-//     "Record": [
-//       {
-//         "RR": "www",
-//         "Line": "default",
-//         "Status": "ENABLE",
-//         "Locked": false,
-//         "Type": "A",
-//         "DomainName": "webauthn.host",
-//         "Value": "47.52.7.223",
-//         "RecordId": "714019124998091776",
-//         "TTL": 1800,
-//         "Weight": 1
-//       },
-//       {
-//         "RR": "@",
-//         "Line": "default",
-//         "Status": "ENABLE",
-//         "Locked": false,
-//         "Type": "A",
-//         "DomainName": "webauthn.host",
-//         "Value": "47.52.7.223",
-//         "RecordId": "714019101941960704",
-//         "TTL": 1800,
-//         "Weight": 1
-//       }
-//     ]
-//   },
-//   "PageNumber": 1
-// }
-pub fn list_dns(client: &RPClient, domain: &str) -> XResult<String> {
-    Ok(client.get("DescribeDomainRecords")
+pub fn list_dns(client: &RPClient, domain: &str) -> XResult<Result<ListDnsResponse, CommonErrorResponse>> {
+    let describe_domain_records_response = opt_result!(client.get("DescribeDomainRecords")
         .query(&[
             ("RegionId", "cn-hangzhou"),
             ("DomainName", domain)
         ])
-        .send()?)
+        .send(), "List domain records: {}, failed: {}", domain);
+    parse_result("DescribeDomainRecords", &describe_domain_records_response)
 }
 
-// {"RequestId":"AD997158-68D2-5084-B6B9-5F5A0893DDC1","RecordId":"744459160027659264"}
-pub fn delete_dns(client: &RPClient, record_id: &str) -> XResult<String> {
-    Ok(client.get("DeleteDomainRecord")
+pub fn delete_dns_record(client: &RPClient, record_id: &str) -> XResult<Result<CommonSuccessResponse, CommonErrorResponse>> {
+    let delete_domain_record_response = opt_result!(client.get("DeleteDomainRecord")
         .query(&[
             ("RegionId", "cn-hangzhou"),
             ("RecordId", record_id)
         ])
-        .send()?)
+        .send(), "Delete domain record id: {}, failed: {}", record_id);
+    parse_result("DeleteDomainRecord", &delete_domain_record_response)
 }
 
-// {"RequestId":"F3D54AB2-7058-54FD-AAF3-566FB8EC9BD1","RecordId":"744459160027659264"}
-pub fn add_dns_txt(client: &RPClient, domain: &str) -> XResult<String> {
-    Ok(client.get("AddDomainRecord")
+pub fn add_txt_dns_record(client: &RPClient, domain: &str, rr: &str, value: &str) -> XResult<Result<CommonSuccessResponse, CommonErrorResponse>> {
+    add_dns_record(client, domain, rr, "TXT", value)
+}
+
+// domain -> "example.com"
+// rr -> "@", "_acme-challenge"
+// t -> "TXT"
+// value -> "test"
+pub fn add_dns_record(client: &RPClient, domain: &str, rr: &str, t: &str, value: &str) -> XResult<Result<CommonSuccessResponse, CommonErrorResponse>> {
+    let add_domain_record_response = opt_result!(client.get("AddDomainRecord")
         .query(&[
             ("RegionId", "cn-hangzhou"),
             ("DomainName", domain),
-            ("RR", "_acme-challenge_test"),
-            ("Type", "TXT"),
-            ("Value", "test")
+            ("RR", rr),
+            ("Type", t),
+            ("Value", value)
         ])
-        .send()?)
+        .send(), "Add domain record: {}.{} -> {} {} ,failed: {}", rr, domain, t, value);
+    parse_result("AddDomainRecord", &add_domain_record_response)
 }
 
-fn create_dns_client(access_credential: &AccessCredential) -> RPClient {
+pub fn build_dns_client(access_credential: &AccessCredential) -> RPClient {
     RPClient::new(
         access_credential.access_key_id.clone(),
         access_credential.access_key_secret.clone(),
         String::from(ALI_DNS_ENDPOINT),
         String::from(ALI_DNS_API_VERSION),
     )
-}
+}
+
+fn parse_result<'a, S, E>(fn_name: &str, response: &'a str) -> XResult<Result<S, E>> where S: Deserialize<'a>, E: Deserialize<'a> {
+    let describe_domain_records_result: serde_json::Result<S> = serde_json::from_str(&response);
+    match describe_domain_records_result {
+        Ok(r) => Ok(Ok(r)),
+        Err(_) => {
+            let describe_domain_records_error_result: serde_json::Result<E> = serde_json::from_str(&response);
+            match describe_domain_records_error_result {
+                Ok(r) => Ok(Err(r)),
+                Err(_) => simple_error!("Parse {} response failed: {}", fn_name, response),
+            }
+        }
+    }
+}

src/config.rs

@@ -1,3 +1,4 @@
+use std::collections::HashMap;
 use serde::{Deserialize, Serialize};
 use rust_util::XResult;
 use std::fs;
@@ -11,6 +12,18 @@ use std::time::SystemTime;
 pub const CERT_NAME: &str = "cert.pem";
 pub const KEY_NAME: &str = "key.pem";
 
+#[derive(Debug, Clone, Copy, PartialEq, Eq)]
+pub enum AcmeChallenge {
+    Http,
+    Dns,
+}
+
+impl Default for AcmeChallenge {
+    fn default() -> Self {
+        AcmeChallenge::Http
+    }
+}
+
 #[derive(Debug, Clone, Copy)]
 pub enum AcmeMode {
     Prod,
@@ -43,6 +56,9 @@ impl AcmeMode {
 #[derive(Clone, Debug, Serialize, Deserialize)]
 #[serde(rename_all = "camelCase")]
 pub struct CertConfigItem {
+    // HTTP, DNS
+    pub r#type: Option<String>,
+    pub supplier: Option<String>,
     pub path: String,
     pub algo: Option<String>,
     pub public_key_algo: Option<X509PublicKeyAlgo>,
@@ -54,6 +70,7 @@ pub struct CertConfigItem {
 #[serde(rename_all = "camelCase")]
 pub struct CertConfig {
     pub port: Option<u16>,
+    pub credential_suppliers: Option<HashMap<String, String>>,
     pub cert_items: Vec<CertConfigItem>,
     pub trigger_after_update: Option<Vec<String>>,
     pub notify_token: Option<String>,
@@ -102,6 +119,7 @@ impl CertConfig {
 
         Self {
             port: self.port,
+            credential_suppliers: self.credential_suppliers,
             cert_items: filtered_cert_items,
             trigger_after_update: self.trigger_after_update,
             notify_token: self.notify_token,
@@ -116,6 +134,15 @@ impl CertConfig {
 }
 
 impl CertConfigItem {
+    pub fn get_acme_challenge(&self) -> AcmeChallenge {
+        let t = self.r#type.as_ref().map(|t| t.to_ascii_lowercase()).unwrap_or_else(|| "http".to_string());
+        if t == "dns" {
+            AcmeChallenge::Dns
+        } else {
+            AcmeChallenge::Http
+        }
+    }
+
     pub fn fill_dns_names(&mut self) -> XResult<Option<X509Certificate>> {
         if self.path.is_empty() {
             return simple_error!("Cert config item path is empty");

src/main.rs

@@ -3,6 +3,7 @@ extern crate lazy_static;
 #[macro_use]
 extern crate rust_util;
 
+mod util;
 mod config;
 mod x509;
 mod network;
@@ -28,14 +29,16 @@ use async_std::task;
 use async_std::channel;
 use async_std::channel::Sender;
 use config::AcmeMode;
-use crate::config::{CertConfig, CERT_NAME, KEY_NAME};
+use crate::config::{AcmeChallenge, CertConfig, CERT_NAME, KEY_NAME};
 use crate::x509::{X509PublicKeyAlgo, X509EcPublicKeyAlgo};
 use std::path::PathBuf;
+use aliyun_openapi_core_rust_sdk::RPClient;
 use rust_util::util_cmd::run_command_and_wait;
-use crate::AcmeChallenge::Http;
+use crate::ali_dns::{add_txt_dns_record, build_dns_client, delete_dns_record, list_dns, simple_parse_aliyun_supplier};
 use crate::dingtalk::send_dingtalk_message;
 use crate::network::{get_local_public_ip, get_resolver, resolve_first_ipv4};
 use crate::statics::{AcmeStatics, AcmeStatus};
+use crate::util::parse_dns_record;
 
 const NAME: &str = env!("CARGO_PKG_NAME");
 const VERSION: &str = env!("CARGO_PKG_VERSION");
@@ -46,21 +49,12 @@ lazy_static! {
     static ref TOKEN_MAP: RwLock<BTreeMap<String, String>> = RwLock::new(BTreeMap::new());
 }
 
-#[derive(Debug, Clone, Copy)]
-enum AcmeChallenge {
-    Http,
-    Dns,
-}
-
-impl Default for AcmeChallenge {
-    fn default() -> Self {
-        Http
-    }
-}
-
 #[derive(Debug, Default)]
 struct AcmeRequest<'a> {
     challenge: AcmeChallenge,
+    // issue, single acme request can only process one supplier
+    credential_supplier: Option<&'a str>,
+    allow_interact: bool,
     contract_email: &'a str,
     primary_name: &'a str,
     alt_names: &'a [&'a str],
@@ -97,6 +91,7 @@ async fn main() -> tide::Result<()> {
         .arg(Arg::with_name("hide-logo").long("hide-logo").help("Hide logo"))
         .arg(Arg::with_name("skip-verify-ip").short("k").long("skip-verify-ip").help("Skip verify public ip"))
         .arg(Arg::with_name("skip-verify-certificate").short("K").long("skip-verify-certificate").help("Skip verify certificate"))
+        .arg(Arg::with_name("allow-interact").long("allow-interact").help("Allow interact"))
         .get_matches();
 
     if matches.is_present("verbose") {
@@ -227,6 +222,7 @@ async fn main() -> tide::Result<()> {
         task::sleep(Duration::from_millis(500)).await;
     }
 
+    let mut dns_cleaned_domains: Vec<String> = vec![];
     match cert_config {
         None => { // cert config is not assigned
             if check {
@@ -253,7 +249,9 @@ async fn main() -> tide::Result<()> {
             };
 
             let acme_request = AcmeRequest {
-                challenge: Http,
+                challenge: AcmeChallenge::Http,
+                credential_supplier: None,
+                allow_interact: false,
                 contract_email: &email,
                 primary_name,
                 alt_names: &alt_names,
@@ -267,7 +265,7 @@ async fn main() -> tide::Result<()> {
                 outputs_file: matches.value_of("outputs").map(|s| s.into()),
                 ..Default::default()
             };
-            if let Err(e) = request_acme_certificate(acme_request) {
+            if let Err(e) = request_acme_certificate(acme_request, &mut dns_cleaned_domains) {
                 failure!("Request certificate by acme failed: {}", e);
                 exit(1);
             }
@@ -282,14 +280,35 @@ async fn main() -> tide::Result<()> {
             for item in &filtered_cert_config.cert_items {
                 if item.common_name.as_ref().map(|n| n.contains('*')).unwrap_or(false)
                     || item.dns_names.as_ref().map(|dns_names| dns_names.iter().any(|n| n.contains('*'))).unwrap_or(false) {
-                    warning!("Currently not support wide card domain name");
-                    continue;
+                    if item.get_acme_challenge() != AcmeChallenge::Dns {
+                        warning!("Currently not support wide card domain name");
+                        continue;
+                    }
                 }
                 if let (Some(common_name), Some(dns_names)) = (&item.common_name, &item.dns_names) {
                     information!("Domains, main: {}, alt: {:?}", common_name, dns_names);
                     let alt_names: Vec<&str> = dns_names.iter().map(|n| n.as_str()).collect();
+                    let challenge = item.get_acme_challenge();
+                    let credential_supplier = if challenge == AcmeChallenge::Dns {
+                        match &item.supplier {
+                            None => None,
+                            Some(supplier) => {
+                                let credential_supplier = filtered_cert_config.credential_suppliers.as_ref()
+                                    .map(|m| m.get(supplier)).flatten();
+                                match credential_supplier {
+                                    None => {
+                                        warning!("DNS challenge no credential supplier found");
+                                        None
+                                    }
+                                    Some(credential_supplier) => Some(credential_supplier.as_str()),
+                                }
+                            }
+                        }
+                    } else { None };
                     let acme_request = AcmeRequest {
-                        challenge: Http,
+                        challenge,
+                        credential_supplier,
+                        allow_interact: matches.is_present("allow-interact"),
                         contract_email: &email,
                         primary_name: common_name,
                         alt_names: &alt_names,
@@ -304,7 +323,7 @@ async fn main() -> tide::Result<()> {
                     };
                     let mut domains = vec![common_name.clone()];
                     dns_names.iter().for_each(|dns_name| domains.push(dns_name.clone()));
-                    if let Err(e) = request_acme_certificate(acme_request) {
+                    if let Err(e) = request_acme_certificate(acme_request, &mut dns_cleaned_domains) {
                         failure!("Request certificate: {}, by acme failed: {}", item.path, e);
                         acme_statics.add_item(domains, AcmeStatus::Fail(format!("{}", e)));
                     } else {
@@ -411,7 +430,7 @@ fn check_cert_config(cert_config: &CertConfig) {
     }
 }
 
-fn request_acme_certificate(acme_request: AcmeRequest) -> XResult<()> {
+fn request_acme_certificate(acme_request: AcmeRequest, dns_cleaned_domains: &mut Vec<String>) -> XResult<()> {
     if let Some(local_public_ip) = acme_request.local_public_ip {
         let mut all_domains = vec![acme_request.primary_name.to_string()];
         for alt_name in acme_request.alt_names {
@@ -420,13 +439,15 @@ fn request_acme_certificate(acme_request: AcmeRequest) -> XResult<()> {
         information!("Checking domain dns records, domains: {:?}", all_domains);
         let resolver = opt_result!(get_resolver(), "Get resolver failed: {}");
 
-        for domain in &all_domains {
-            debugging!("Checking domain: {}", domain);
-            let ipv4 = opt_result!(resolve_first_ipv4(&resolver, domain), "{}");
-            match ipv4 {
-                None => return simple_error!("Resolve domain ip failed: {}", domain),
-                Some(ipv4) => if local_public_ip != ipv4 {
-                    return simple_error!("Check domain ip: {}, mis-match, local: {} vs domain: {}", domain, local_public_ip, ipv4);
+        if acme_request.challenge == AcmeChallenge::Http {
+            for domain in &all_domains {
+                debugging!("Checking domain: {}", domain);
+                let ipv4 = opt_result!(resolve_first_ipv4(&resolver, domain), "{}");
+                match ipv4 {
+                    None => return simple_error!("Resolve domain ip failed: {}", domain),
+                    Some(ipv4) => if local_public_ip != ipv4 {
+                        return simple_error!("Check domain ip: {}, mis-match, local: {} vs domain: {}", domain, local_public_ip, ipv4);
+                    }
                 }
             }
         }
@@ -438,6 +459,11 @@ fn request_acme_certificate(acme_request: AcmeRequest) -> XResult<()> {
     let dir = opt_result!(Directory::from_url(persist, url), "Create directory from url failed: {}");
     let acc = opt_result!(dir.account(acme_request.contract_email), "Directory set account failed: {}");
     let mut ord_new = opt_result!( acc.new_order(acme_request.primary_name, acme_request.alt_names), "Create order failed: {}");
+    let ali_yun_client: Option<RPClient> = match acme_request.credential_supplier {
+        Some(credential_supplier) => Some(build_dns_client(
+            &opt_result!(simple_parse_aliyun_supplier(credential_supplier), "Parse credential supplier failed: {}"))),
+        None => None,
+    };
 
     let mut order_csr_index = 0;
     let ord_csr = loop {
@@ -453,7 +479,7 @@ fn request_acme_certificate(acme_request: AcmeRequest) -> XResult<()> {
         let auths = opt_result!(ord_new.authorizations(), "Order auth failed: {}");
         for auth in &auths {
             match acme_request.challenge {
-                Http => {
+                AcmeChallenge::Http => {
                     let chall = auth.http_challenge();
                     let token = chall.http_token();
                     let proof = chall.http_proof();
@@ -465,11 +491,53 @@ fn request_acme_certificate(acme_request: AcmeRequest) -> XResult<()> {
                     debugging!("Valid acme certificate http challenge");
                     opt_result!(chall.validate(acme_request.timeout), "Validate http challenge failed: {}");
                 }
-                Dns => {
+                AcmeChallenge::Dns => {
                     let chall = auth.dns_challenge();
                     let record = format!("_acme-challenge.{}.", auth.domain_name());
                     let proof = chall.dns_proof();
-                    information!("Add acme dns challenge: {} -> {}",record, proof);
+                    information!("Add acme dns challenge: {} -> {}", record, proof);
+
+                    let rr_and_domain = opt_result!(parse_dns_record(&record), "Parse record to rr&domain failed: {}");
+
+                    if !dns_cleaned_domains.contains(&rr_and_domain.1) {
+                        information!("Clearing domain: {}", &rr_and_domain.1);
+                        dns_cleaned_domains.push(rr_and_domain.1.clone());
+                        ali_yun_client.as_ref().map(|client| {
+                            match list_dns(client, &rr_and_domain.1) {
+                                Err(e) => warning!("List dns for: {}, failed: {}", &rr_and_domain.1, e),
+                                Ok(Err(e)) => warning!("List dns for: {}, failed: {:?}", &rr_and_domain.1, e),
+                                Ok(Ok(s)) => {
+                                    for r in &s.domain_records.record {
+                                        let rr = &r.rr;
+                                        if rr == "_acme-challenge" || rr.starts_with("_acme-challenge.") {
+                                            match delete_dns_record(client, &r.record_id) {
+                                                Err(e) => warning!("Delete dns: {}.{}, failed: {}", r.rr, r.domain_name, e),
+                                                Ok(Err(e)) => warning!("Delete dns: {}.{}, failed: {:?}", r.rr, r.domain_name, e),
+                                                Ok(Ok(_)) => success!("Delete dns: {}.{}", r.rr, r.domain_name),
+                                            }
+                                        }
+                                    }
+                                }
+                            }
+                        });
+                    }
+
+                    match &ali_yun_client {
+                        Some(client) => {
+                            let add_txt_dns_result = opt_result!(add_txt_dns_record(client, &rr_and_domain.1, &rr_and_domain.0, &proof), "Add DNS TXT record failed: {}");
+                            match add_txt_dns_result {
+                                Ok(s) => success!("Add dns txt record successes: {}", s.record_id),
+                                Err(e) => return simple_error!("Add dns txt record failed: {:?}", e),
+                            }
+                        }
+                        None => if acme_request.allow_interact {
+                            let mut line = String::new();
+                            information!("You need to config dns manually, press enter to continue...");
+                            let _ = std::io::stdin().read_line(&mut line).unwrap();
+                        } else {
+                            return simple_error!("Interact is not allowed, --allow-interact to allow interact");
+                        }
+                    }
 
                     debugging!("Valid acme certificate dns challenge");
                     opt_result!(chall.validate(acme_request.timeout), "Validate dns challenge failed: {}");

src/util.rs

@@ -0,0 +1,35 @@
+use rust_util::XResult;
+
+pub fn parse_dns_record(record: &str) -> XResult<(String, String)> {
+    let r = if record.ends_with(".") {
+        record.chars().take(record.len() - 1).collect::<String>().to_ascii_lowercase()
+    } else {
+        record.to_ascii_lowercase()
+    };
+
+    let parts: Vec<&str> = r.split(".").collect();
+    if parts.len() < 2 {
+        return simple_error!("Invalid record : {}", record);
+    }
+
+    let last_part = parts[parts.len() - 1];
+    let last_part_2 = parts[parts.len() - 2];
+
+    // SHOULD read from: https://publicsuffix.org/
+    let domain_parts_len = match last_part {
+        "cn" => match last_part_2 {
+            "com" | "net" | "org" | "gov" => 3,
+            _ => 2,
+        },
+        _ => 2,
+    };
+
+    if parts.len() < domain_parts_len {
+        return simple_error!("Invalid record: {}", record);
+    }
+
+    let domain = parts.iter().skip(parts.len() - domain_parts_len).map(|s| s.to_string()).collect::<Vec<String>>().join(".");
+    let rr = parts.iter().take(parts.len() - domain_parts_len).map(|s| s.to_string()).collect::<Vec<String>>().join(".");
+
+    Ok((if rr.is_empty() { "@".to_string() } else { rr }, domain))
+}