From 64f0eb4a7527451d728f2349c4195cf3895213d8 Mon Sep 17 00:00:00 2001
From: Xin Liu <livid@v2ex.com>
Date: Mon, 30 Sep 2024 08:32:55 -0700
Subject: [PATCH] Set DoH servers for the local gateway

---
 Planet/IPFS/IPFSCommand.swift |  9 +++++++++
 Planet/IPFS/IPFSDaemon.swift  | 18 ++++++++++++++++++
 Planet/versioning.xcconfig    |  2 +-
 3 files changed, 28 insertions(+), 1 deletion(-)

diff --git a/Planet/IPFS/IPFSCommand.swift b/Planet/IPFS/IPFSCommand.swift
index b877463f..bb5b08ed 100644
--- a/Planet/IPFS/IPFSCommand.swift
+++ b/Planet/IPFS/IPFSCommand.swift
@@ -155,6 +155,15 @@ struct IPFSCommand {
         ])
     }
 
+    static func setResolvers(resolversJSON: String) -> IPFSCommand {
+        IPFSCommand(arguments: [
+            "config",
+            "DNS.Resolvers",
+            resolversJSON,
+            "--json",
+        ])
+    }
+
     static func setSwarmConnMgr(_ jsonString: String) -> IPFSCommand {
         IPFSCommand(arguments: [
             "config",
diff --git a/Planet/IPFS/IPFSDaemon.swift b/Planet/IPFS/IPFSDaemon.swift
index 85416a04..27053261 100644
--- a/Planet/IPFS/IPFSDaemon.swift
+++ b/Planet/IPFS/IPFSDaemon.swift
@@ -214,6 +214,18 @@ actor IPFSDaemon {
             Self.logger.info("Unable to set peers for IPFS")
         }
 
+        Self.logger.info("Set DNS resolvers")
+        if let result = try? IPFSCommand.setResolvers(
+            resolversJSON: String(data: IPFSDaemon.resolvers.rawData(), encoding: .utf8)!
+        ).run(),
+            result.ret == 0
+        {
+            Self.logger.info("Set DNS resolvers")
+        }
+        else {
+            Self.logger.info("Unable to set DNS resolvers")
+        }
+
         let swarmConnMgr = JSON(
             [
                 "GracePeriod": "20s",
@@ -757,6 +769,12 @@ extension IPFSDaemon {
             ],
         ]   // Filebase
     ])
+    // DoH resolvers
+    static let resolvers = JSON([
+        "bit.": "https://dweb-dns.v2ex.pro/dns-query",
+        "sol.": "https://dweb-dns.v2ex.pro/dns-query",
+        "eth.": "https://dns.eth.limo/dns-query"
+    ])
 
     static func urlForCID(_ cid: String) -> URL? {
         return URL(string: "https://\(cid).eth.sucks/")
diff --git a/Planet/versioning.xcconfig b/Planet/versioning.xcconfig
index dea613c8..b8d6f124 100644
--- a/Planet/versioning.xcconfig
+++ b/Planet/versioning.xcconfig
@@ -1 +1 @@
-CURRENT_PROJECT_VERSION = 2265
+CURRENT_PROJECT_VERSION = 2266