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Merge pull request 'rewrite in Rust' (#4) from develop into main

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Reviewed-on: #4
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Infendro
2026-08-29 12:37:08 +00:00
committed by Gitea
parent ff903413eb 540d990aeb
commit a105553378
34 changed files with 1949 additions and 1734 deletions
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43
.gitea/workflows/main.yaml
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on:
push:
branches:
- main
env:
GIT__TOKEN: ${{ secrets.TOKEN }}
jobs:
release:
runs-on: linux
steps:
- uses: actions/checkout@v4
- uses: actions/cache/restore@v4
with:
key: gradle
path: |
~/.gradle/caches/
~/.gradle/wrapper/
~/.konan/
- uses: actions/setup-java@v4
with:
java-version: '24'
distribution: 'temurin'
- run: |
./gradlew assemble
mv ./build/bin/linuxX64/releaseExecutable/ddns.kexe ./ddns
- uses: actions/upload-artifact@v3
with:
name: ddns
path: ./ddns
- uses: actions/cache/save@v4
with:
key: gradle
path: |
~/.gradle/caches/
~/.gradle/wrapper/
~/.konan/

12
.gitignore vendored
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# IDE # Rust
/.idea/ /target/
# Gradle
/.gradle/
/gradle.properties
# Kotlin
/.kotlin/
/build/

1747
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Cargo.toml Normal file
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[package]
name = "ddns"
version = "1.0.0"
edition = "2024"
[dependencies]
reqwest = { version = "0.13.4", features = ["json"] }
serde = { version = "1.0.229", features = ["derive"] }
serde_json = "1.0.151"
tokio = { version = "1.53.1", features = ["full"] }

674
LICENSE
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@@ -1,674 +0,0 @@
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To do so, attach the following notices to the program. It is safest
to attach them to the start of each source file to most effectively
state the exclusion of warranty; and each file should have at least
the "copyright" line and a pointer to where the full notice is found.
<one line to give the program's name and a brief idea of what it does.>
Copyright (C) <year> <name of author>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
Also add information on how to contact you by electronic and paper mail.
If the program does terminal interaction, make it output a short
notice like this when it starts in an interactive mode:
<program> Copyright (C) <year> <name of author>
This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
This is free software, and you are welcome to redistribute it
under certain conditions; type `show c' for details.
The hypothetical commands `show w' and `show c' should show the appropriate
parts of the General Public License. Of course, your program's commands
might be different; for a GUI interface, you would use an "about box".
You should also get your employer (if you work as a programmer) or school,
if any, to sign a "copyright disclaimer" for the program, if necessary.
For more information on this, and how to apply and follow the GNU GPL, see
<https://www.gnu.org/licenses/>.
The GNU General Public License does not permit incorporating your program
into proprietary programs. If your program is a subroutine library, you
may consider it more useful to permit linking proprietary applications with
the library. If this is what you want to do, use the GNU Lesser General
Public License instead of this License. But first, please read
<https://www.gnu.org/licenses/why-not-lgpl.html>.

50
README.md
View File

@@ -1,50 +0,0 @@
# DDNS
This application enables automatically updating DNS records for various providers.
## Features
* Automatically detect the current IP.
* Both IPv4 and IPv6 are supported.
* IP resolution depends on the selected service.
* ipify (default)
* Update DNS records in the selected provider.
* Porkbun
* Native (Linux)
## Build
Execute `./gradlew assemble`.
The resulting binary will be located in `./build/bin/releaseExecutable/`.
Removing the extension from the binary and adding it to `/usr/local/bin/` enables the use of `ddns` in the terminal.
## Usage
The following command updates all A and AAAA DNS records in Porkbun for `example.com` and `test.example.com`.
```
ddns porkbun \
--key=... \
--secret-key=... \
--domain=example.com \
--subdomain= \
--subdomain=test
```
Optionally, a file can be used to declare one or more configurations.
The above example can be declared as follows.
```
porkbun
key=...
secret-key=...
domain=example.com
subdomain=
subdomain=test
```
To use this config file, execute the command `ddns --config=...`.
By default, the config file is `/etc/ddns.conf`.
This process can be automated using systemd or cron.

35
build.gradle.kts
View File

@@ -1,35 +0,0 @@
group = "com.infendro"
version = "1.0.0"
repositories {
maven("https://git.infendro.com/api/packages/Infendro/maven")
mavenCentral()
}
plugins {
alias(libs.plugins.multiplatform)
alias(libs.plugins.serialization)
}
kotlin {
linuxX64 {
binaries.executable {
entryPoint = "com.infendro.ddns.main"
}
}
sourceSets {
commonMain.dependencies {
implementation(libs.io)
implementation(libs.serialization.json)
implementation(libs.coroutines)
implementation(libs.cli)
implementation(libs.ktor.client)
implementation(libs.ktor.client.contentNegotiation)
implementation(libs.ktor.client.serialization.json)
}
nativeMain.dependencies {
implementation(libs.ktor.client.curl)
}
}
}

23
gradle/libs.versions.toml
View File

@@ -1,23 +0,0 @@
[versions]
kotlin = "2.1.21"
io = "0.7.0"
coroutines = "1.10.2"
serialization = "1.8.1"
cli = "1.2.2"
ktor = "3.1.2"
[plugins]
multiplatform = { id = "org.jetbrains.kotlin.multiplatform", version.ref = "kotlin" }
serialization = { id = "org.jetbrains.kotlin.plugin.serialization", version.ref = "kotlin" }
[libraries]
io = { module = "org.jetbrains.kotlinx:kotlinx-io-core", version.ref = "io" }
coroutines = { module = "org.jetbrains.kotlinx:kotlinx-coroutines-core", version.ref = "coroutines" }
serialization-json = { module = "org.jetbrains.kotlinx:kotlinx-serialization-json", version.ref = "serialization" }
cli = { module = "com.infendro:cli", version.ref = "cli" }
ktor-client = { module = "io.ktor:ktor-client-core", version.ref = "ktor" }
ktor-client-curl = { module = "io.ktor:ktor-client-curl", version.ref = "ktor" }
ktor-client-contentNegotiation = { module = "io.ktor:ktor-client-content-negotiation", version.ref = "ktor" }
ktor-client-serialization-json = { module = "io.ktor:ktor-serialization-kotlinx-json", version.ref = "ktor" }

BIN
gradle/wrapper/gradle-wrapper.jar vendored
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Binary file not shown.

7
gradle/wrapper/gradle-wrapper.properties vendored
View File

@@ -1,7 +0,0 @@
distributionBase=GRADLE_USER_HOME
distributionPath=wrapper/dists
distributionUrl=https\://services.gradle.org/distributions/gradle-8.14-bin.zip
networkTimeout=10000
validateDistributionUrl=true
zipStoreBase=GRADLE_USER_HOME
zipStorePath=wrapper/dists

251
gradlew vendored
View File

@@ -1,251 +0,0 @@
#!/bin/sh
#
# Copyright © 2015-2021 the original authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# SPDX-License-Identifier: Apache-2.0
#
##############################################################################
#
# Gradle start up script for POSIX generated by Gradle.
#
# Important for running:
#
# (1) You need a POSIX-compliant shell to run this script. If your /bin/sh is
# noncompliant, but you have some other compliant shell such as ksh or
# bash, then to run this script, type that shell name before the whole
# command line, like:
#
# ksh Gradle
#
# Busybox and similar reduced shells will NOT work, because this script
# requires all of these POSIX shell features:
# * functions;
# * expansions «$var», «${var}», «${var:-default}», «${var+SET}»,
# «${var#prefix}», «${var%suffix}», and «$( cmd )»;
# * compound commands having a testable exit status, especially «case»;
# * various built-in commands including «command», «set», and «ulimit».
#
# Important for patching:
#
# (2) This script targets any POSIX shell, so it avoids extensions provided
# by Bash, Ksh, etc; in particular arrays are avoided.
#
# The "traditional" practice of packing multiple parameters into a
# space-separated string is a well documented source of bugs and security
# problems, so this is (mostly) avoided, by progressively accumulating
# options in "$@", and eventually passing that to Java.
#
# Where the inherited environment variables (DEFAULT_JVM_OPTS, JAVA_OPTS,
# and GRADLE_OPTS) rely on word-splitting, this is performed explicitly;
# see the in-line comments for details.
#
# There are tweaks for specific operating systems such as AIX, CygWin,
# Darwin, MinGW, and NonStop.
#
# (3) This script is generated from the Groovy template
# https://github.com/gradle/gradle/blob/HEAD/platforms/jvm/plugins-application/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
# within the Gradle project.
#
# You can find Gradle at https://github.com/gradle/gradle/.
#
##############################################################################
# Attempt to set APP_HOME
# Resolve links: $0 may be a link
app_path=$0
# Need this for daisy-chained symlinks.
while
APP_HOME=${app_path%"${app_path##*/}"} # leaves a trailing /; empty if no leading path
[ -h "$app_path" ]
do
ls=$( ls -ld "$app_path" )
link=${ls#*' -> '}
case $link in #(
/*) app_path=$link ;; #(
*) app_path=$APP_HOME$link ;;
esac
done
# This is normally unused
# shellcheck disable=SC2034
APP_BASE_NAME=${0##*/}
# Discard cd standard output in case $CDPATH is set (https://github.com/gradle/gradle/issues/25036)
APP_HOME=$( cd -P "${APP_HOME:-./}" > /dev/null && printf '%s\n' "$PWD" ) || exit
# Use the maximum available, or set MAX_FD != -1 to use that value.
MAX_FD=maximum
warn () {
echo "$*"
} >&2
die () {
echo
echo "$*"
echo
exit 1
} >&2
# OS specific support (must be 'true' or 'false').
cygwin=false
msys=false
darwin=false
nonstop=false
case "$( uname )" in #(
CYGWIN* ) cygwin=true ;; #(
Darwin* ) darwin=true ;; #(
MSYS* | MINGW* ) msys=true ;; #(
NONSTOP* ) nonstop=true ;;
esac
CLASSPATH="\\\"\\\""
# Determine the Java command to use to start the JVM.
if [ -n "$JAVA_HOME" ] ; then
if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
# IBM's JDK on AIX uses strange locations for the executables
JAVACMD=$JAVA_HOME/jre/sh/java
else
JAVACMD=$JAVA_HOME/bin/java
fi
if [ ! -x "$JAVACMD" ] ; then
die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
Please set the JAVA_HOME variable in your environment to match the
location of your Java installation."
fi
else
JAVACMD=java
if ! command -v java >/dev/null 2>&1
then
die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
Please set the JAVA_HOME variable in your environment to match the
location of your Java installation."
fi
fi
# Increase the maximum file descriptors if we can.
if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
case $MAX_FD in #(
max*)
# In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked.
# shellcheck disable=SC2039,SC3045
MAX_FD=$( ulimit -H -n ) ||
warn "Could not query maximum file descriptor limit"
esac
case $MAX_FD in #(
'' | soft) :;; #(
*)
# In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked.
# shellcheck disable=SC2039,SC3045
ulimit -n "$MAX_FD" ||
warn "Could not set maximum file descriptor limit to $MAX_FD"
esac
fi
# Collect all arguments for the java command, stacking in reverse order:
# * args from the command line
# * the main class name
# * -classpath
# * -D...appname settings
# * --module-path (only if needed)
# * DEFAULT_JVM_OPTS, JAVA_OPTS, and GRADLE_OPTS environment variables.
# For Cygwin or MSYS, switch paths to Windows format before running java
if "$cygwin" || "$msys" ; then
APP_HOME=$( cygpath --path --mixed "$APP_HOME" )
CLASSPATH=$( cygpath --path --mixed "$CLASSPATH" )
JAVACMD=$( cygpath --unix "$JAVACMD" )
# Now convert the arguments - kludge to limit ourselves to /bin/sh
for arg do
if
case $arg in #(
-*) false ;; # don't mess with options #(
/?*) t=${arg#/} t=/${t%%/*} # looks like a POSIX filepath
[ -e "$t" ] ;; #(
*) false ;;
esac
then
arg=$( cygpath --path --ignore --mixed "$arg" )
fi
# Roll the args list around exactly as many times as the number of
# args, so each arg winds up back in the position where it started, but
# possibly modified.
#
# NB: a `for` loop captures its iteration list before it begins, so
# changing the positional parameters here affects neither the number of
# iterations, nor the values presented in `arg`.
shift # remove old arg
set -- "$@" "$arg" # push replacement arg
done
fi
# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
# Collect all arguments for the java command:
# * DEFAULT_JVM_OPTS, JAVA_OPTS, and optsEnvironmentVar are not allowed to contain shell fragments,
# and any embedded shellness will be escaped.
# * For example: A user cannot expect ${Hostname} to be expanded, as it is an environment variable and will be
# treated as '${Hostname}' itself on the command line.
set -- \
"-Dorg.gradle.appname=$APP_BASE_NAME" \
-classpath "$CLASSPATH" \
-jar "$APP_HOME/gradle/wrapper/gradle-wrapper.jar" \
"$@"
# Stop when "xargs" is not available.
if ! command -v xargs >/dev/null 2>&1
then
die "xargs is not available"
fi
# Use "xargs" to parse quoted args.
#
# With -n1 it outputs one arg per line, with the quotes and backslashes removed.
#
# In Bash we could simply go:
#
# readarray ARGS < <( xargs -n1 <<<"$var" ) &&
# set -- "${ARGS[@]}" "$@"
#
# but POSIX shell has neither arrays nor command substitution, so instead we
# post-process each arg (as a line of input to sed) to backslash-escape any
# character that might be a shell metacharacter, then use eval to reverse
# that process (while maintaining the separation between arguments), and wrap
# the whole thing up as a single "set" statement.
#
# This will of course break if any of these variables contains a newline or
# an unmatched quote.
#
eval "set -- $(
printf '%s\n' "$DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS" |
xargs -n1 |
sed ' s~[^-[:alnum:]+,./:=@_]~\\&~g; ' |
tr '\n' ' '
)" '"$@"'
exec "$JAVACMD" "$@"

94
gradlew.bat vendored
View File

@@ -1,94 +0,0 @@
@rem
@rem Copyright 2015 the original author or authors.
@rem
@rem Licensed under the Apache License, Version 2.0 (the "License");
@rem you may not use this file except in compliance with the License.
@rem You may obtain a copy of the License at
@rem
@rem https://www.apache.org/licenses/LICENSE-2.0
@rem
@rem Unless required by applicable law or agreed to in writing, software
@rem distributed under the License is distributed on an "AS IS" BASIS,
@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
@rem See the License for the specific language governing permissions and
@rem limitations under the License.
@rem
@rem SPDX-License-Identifier: Apache-2.0
@rem
@if "%DEBUG%"=="" @echo off
@rem ##########################################################################
@rem
@rem Gradle startup script for Windows
@rem
@rem ##########################################################################
@rem Set local scope for the variables with windows NT shell
if "%OS%"=="Windows_NT" setlocal
set DIRNAME=%~dp0
if "%DIRNAME%"=="" set DIRNAME=.
@rem This is normally unused
set APP_BASE_NAME=%~n0
set APP_HOME=%DIRNAME%
@rem Resolve any "." and ".." in APP_HOME to make it shorter.
for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi
@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"
@rem Find java.exe
if defined JAVA_HOME goto findJavaFromJavaHome
set JAVA_EXE=java.exe
%JAVA_EXE% -version >NUL 2>&1
if %ERRORLEVEL% equ 0 goto execute
echo. 1>&2
echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 1>&2
echo. 1>&2
echo Please set the JAVA_HOME variable in your environment to match the 1>&2
echo location of your Java installation. 1>&2
goto fail
:findJavaFromJavaHome
set JAVA_HOME=%JAVA_HOME:"=%
set JAVA_EXE=%JAVA_HOME%/bin/java.exe
if exist "%JAVA_EXE%" goto execute
echo. 1>&2
echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% 1>&2
echo. 1>&2
echo Please set the JAVA_HOME variable in your environment to match the 1>&2
echo location of your Java installation. 1>&2
goto fail
:execute
@rem Setup the command line
set CLASSPATH=
@rem Execute Gradle
"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" -jar "%APP_HOME%\gradle\wrapper\gradle-wrapper.jar" %*
:end
@rem End local scope for the variables with windows NT shell
if %ERRORLEVEL% equ 0 goto mainEnd
:fail
rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
rem the _cmd.exe /c_ return code!
set EXIT_CODE=%ERRORLEVEL%
if %EXIT_CODE% equ 0 set EXIT_CODE=1
if not ""=="%GRADLE_EXIT_CONSOLE%" exit %EXIT_CODE%
exit /b %EXIT_CODE%
:mainEnd
if "%OS%"=="Windows_NT" endlocal
:omega

1
settings.gradle.kts
View File

@@ -1 +0,0 @@
rootProject.name = "ddns"

13
src/commonMain/kotlin/com/infendro/ddns/Http.kt
View File

@@ -1,13 +0,0 @@
package com.infendro.ddns
import io.ktor.client.HttpClient
import io.ktor.client.plugins.contentnegotiation.ContentNegotiation
import io.ktor.serialization.kotlinx.json.json
object Http {
val client = HttpClient {
install(ContentNegotiation) {
json()
}
}
}

110
src/commonMain/kotlin/com/infendro/ddns/Main.kt
View File

@@ -1,110 +0,0 @@
package com.infendro.ddns
import com.infendro.cli.argument.string
import com.infendro.cli.argument.stringOrElse
import com.infendro.cli.argument.strings
import com.infendro.cli.cli
import com.infendro.ddns.Argument.CONFIG
import com.infendro.ddns.Argument.DOMAIN
import com.infendro.ddns.Argument.IP_SERVICE
import com.infendro.ddns.Argument.KEY
import com.infendro.ddns.Argument.SECRET_KEY
import com.infendro.ddns.Argument.SUBDOMAIN
import com.infendro.ddns.argument.ipService
import com.infendro.ddns.config.Config
import com.infendro.ddns.dns.DnsService
import com.infendro.ddns.dns.DnsServices.PORKBUN
import com.infendro.ddns.dns.model.DnsRecord
import com.infendro.ddns.dns.porkbun.Porkbun
import com.infendro.ddns.ip.IpService
private object Argument {
val CONFIG = stringOrElse("config", "/etc/ddns.conf")
val DOMAIN = string("domain")
val SUBDOMAIN = strings("subdomain", min = 1)
val IP_SERVICE = ipService("ip-service")
// Porkbun
val KEY = string("key")
val SECRET_KEY = string("secret-key")
}
fun main(
args: Array<String>,
) {
cli {
arguments(CONFIG)
execute {
val config by CONFIG
Config.get(config)
.run {
val domain by DOMAIN
val subdomains by SUBDOMAIN
val ipService by IP_SERVICE
val dnsService = when (name) {
PORKBUN -> {
val key by KEY
val secretkey by SECRET_KEY
Porkbun(key, secretkey)
}
else -> throw Exception()
}
dnsService.update(ipService, domain, subdomains)
}
}
command(PORKBUN) {
arguments(
DOMAIN,
SUBDOMAIN,
IP_SERVICE,
KEY,
SECRET_KEY,
)
execute {
val domain by DOMAIN
val subdomains by SUBDOMAIN
val ipService by IP_SERVICE
val key by KEY
val secretkey by SECRET_KEY
val dnsService = Porkbun(key, secretkey)
dnsService.update(ipService, domain, subdomains)
}
}
}.run(args)
}
fun Config.run(
block: Config.Service.() -> Unit,
) {
for (service in services) {
service.block()
}
}
fun DnsService.update(
ipService: IpService,
domain: String,
subdomains: List<String>,
) {
val (ipv4, ipv6) = ipService.ip
val records = getRecords(domain, subdomains)
val aRecords = records
.filter { it.type == DnsRecord.Type.A }
val aaaaRecords = records
.filter { it.type == DnsRecord.Type.AAAA }
updateRecords(aRecords, ipv4)
updateRecords(aaaaRecords, ipv6)
}

34
src/commonMain/kotlin/com/infendro/ddns/argument/IpService.kt
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@@ -1,34 +0,0 @@
package com.infendro.ddns.argument
import com.infendro.cli.Command
import com.infendro.cli.argument.Argument
import com.infendro.cli.argument.Parser
import com.infendro.ddns.ip.IpService
import com.infendro.ddns.ip.IpServices
object IpServiceParser : Parser<IpService> {
override fun parse(
text: String?,
): IpService {
return IpServices.get(text!!)
}
}
class IpServiceOrDefaultArgument(
override val name: String,
) : Argument.SingleOrElse<IpService>() {
override val other: IpService
get() = IpServices.DEFAULT
override val parser: Parser<IpService>
get() = IpServiceParser
}
fun ipService(
name: String,
) = IpServiceOrDefaultArgument(name)
fun Command.Builder.ipService(
name: String,
) = IpServiceOrDefaultArgument(name)
.also { argument(it) }

128
src/commonMain/kotlin/com/infendro/ddns/config/Config.kt
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@@ -1,128 +0,0 @@
package com.infendro.ddns.config
import com.infendro.cli.argument.Argument.*
import com.infendro.ddns.config.Regex.ARGUMENT
import com.infendro.ddns.config.Regex.EMPTY_LINES
import kotlin.reflect.KProperty
import kotlinx.io.buffered
import kotlinx.io.files.Path
import kotlinx.io.files.SystemFileSystem
import kotlinx.io.readString
class Config(
val services: List<Service>,
) {
class Service(
val name: String,
val arguments: List<Argument>,
) {
class Argument(
val name: String,
val value: String,
)
operator fun <T> Single<T>.getValue(
thisRef: Any?,
property: KProperty<*>,
): T {
return parser.parse(
arguments
.find { it.name == name }!!
.value
)
}
operator fun <T> SingleOrElse<T>.getValue(
thisRef: Any?,
property: KProperty<*>,
): T {
return arguments
.find { it.name == name }
?.let { parser.parse(it.value) }
?: other
}
operator fun <T> SingleOrNull<T>.getValue(
thisRef: Any?,
property: KProperty<*>,
): T? {
return arguments
.find { it.name == name }
?.let { parser.parse(it.value) }
}
operator fun <T> Multiple<T>.getValue(
thisRef: Any?,
property: KProperty<*>,
): List<T> {
return arguments
.filter { it.name == name }
.map { parser.parse(it.value) }
}
}
companion object {
fun get(
path: String,
): Config {
val path = Path(path)
val source = SystemFileSystem.source(path).buffered()
val text = source
.readString()
.process()
return parse(text)
}
private fun String.process(): String {
val builder = StringBuilder()
for (line in lines()) {
val comment = line.indexOf("""//""")
if (comment != -1) {
builder.appendLine(
line
.slice(0..<comment)
.trim()
)
} else {
builder.appendLine(
line.trim()
)
}
}
return builder.toString().trim()
}
private fun parse(
text: String,
): Config {
val services = text
.split(EMPTY_LINES)
.map { parseService(it) }
return Config(services)
}
private fun parseService(
text: String,
): Service {
val lines = text.lines()
val name = lines[0]
val arguments = lines
.drop(1)
.map { parseArgument(it) }
return Service(name, arguments)
}
private fun parseArgument(
text: String,
): Service.Argument {
val match = ARGUMENT.find(text)!!
val name = match.groups["name"]!!.value
val value = match.groups["value"]!!.value
return Service.Argument(name, value)
}
}
}

6
src/commonMain/kotlin/com/infendro/ddns/config/Regex.kt
View File

@@ -1,6 +0,0 @@
package com.infendro.ddns.config
object Regex {
val EMPTY_LINES = Regex("""\n{2,}""")
val ARGUMENT = Regex("""(?<name>[a-z]+(?:-[a-z]+)*)(?:=(?<value>.*))?""")
}

25
src/commonMain/kotlin/com/infendro/ddns/dns/DnsService.kt
View File

@@ -1,25 +0,0 @@
package com.infendro.ddns.dns
import com.infendro.ddns.dns.model.DnsRecord
abstract class DnsService {
abstract fun getRecords(
domain: String,
subdomains: List<String>,
): List<DnsRecord>
abstract fun updateRecord(
record: DnsRecord,
value: String,
)
fun updateRecords(
records: List<DnsRecord>,
value: String,
) {
for (record in records) {
if (record.value == value) continue
updateRecord(record, value)
}
}
}

5
src/commonMain/kotlin/com/infendro/ddns/dns/DnsServices.kt
View File

@@ -1,5 +0,0 @@
package com.infendro.ddns.dns
object DnsServices {
const val PORKBUN = "porkbun"
}

5
src/commonMain/kotlin/com/infendro/ddns/dns/Regex.kt
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@@ -1,5 +0,0 @@
package com.infendro.ddns.dns
object Regex {
val DOMAIN = Regex("""(?:(?<subdomain>(?:\w+\.)*\w+)\.)?(?<domain>\w+\.\w+)""")
}

31
src/commonMain/kotlin/com/infendro/ddns/dns/model/DnsRecord.kt
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@@ -1,31 +0,0 @@
package com.infendro.ddns.dns.model
data class DnsRecord(
val id: String,
val type: Type,
val domain: Domain,
val value: String,
val ttl: Int,
val priority: Int?,
) {
data class Domain(
val subdomain: String?,
val domain: String,
) {
val full: String
get() = if (subdomain != null) {
"$subdomain.$domain"
} else {
domain
}
}
enum class Type {
NS, A, AAAA, CNAME, MX, TXT;
companion object {
val address: List<Type>
get() = listOf(A, AAAA)
}
}
}

88
src/commonMain/kotlin/com/infendro/ddns/dns/porkbun/Porkbun.kt
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@@ -1,88 +0,0 @@
package com.infendro.ddns.dns.porkbun
import com.infendro.ddns.Http.client
import com.infendro.ddns.dns.Regex.DOMAIN
import com.infendro.ddns.dns.DnsService
import com.infendro.ddns.dns.model.DnsRecord
import com.infendro.ddns.dns.porkbun.dto.request.GetRecordsRequest
import com.infendro.ddns.dns.porkbun.dto.request.UpdateRecordRequest
import com.infendro.ddns.dns.porkbun.dto.response.GetRecordsResponse
import io.ktor.client.call.body
import io.ktor.client.request.post
import io.ktor.client.request.setBody
import io.ktor.http.ContentType
import io.ktor.http.contentType
import kotlinx.coroutines.runBlocking
class Porkbun(
val key: String,
val secretkey: String,
) : DnsService() {
override fun getRecords(
domain: String,
subdomains: List<String>,
): List<DnsRecord> = runBlocking {
val response = client.post("https://api.porkbun.com/api/json/v3/dns/retrieve/$domain") {
val request = getRecordsRequest()
contentType(ContentType.Application.Json)
setBody(request)
}
val body = response.body<GetRecordsResponse>()
body.records
.map { model(it) }
.filter { it.type in DnsRecord.Type.address && (it.domain.subdomain ?: "") in subdomains }
}
override fun updateRecord(
record: DnsRecord,
value: String,
): Unit = runBlocking {
client.post("https://api.porkbun.com/api/json/v3/dns/edit/${record.domain.domain}/${record.id}") {
val request = updateRecordRequest(record, value)
contentType(ContentType.Application.Json)
setBody(request)
}
}
private fun model(
record: GetRecordsResponse.Record,
): DnsRecord {
val match = DOMAIN.matchEntire(record.name)!!
val domain = match.groups["domain"]!!.value
val subdomain = match.groups["subdomain"]?.value
return DnsRecord(
id = record.id,
type = DnsRecord.Type.valueOf(record.type),
domain = DnsRecord.Domain(
subdomain = subdomain,
domain = domain,
),
value = record.content,
ttl = record.ttl.toInt(),
priority = record.prio?.toInt(),
)
}
private fun getRecordsRequest(): GetRecordsRequest {
return GetRecordsRequest(
apikey = key,
secretapikey = secretkey,
)
}
private fun updateRecordRequest(
record: DnsRecord,
ip: String,
): UpdateRecordRequest {
return UpdateRecordRequest(
apikey = key,
secretapikey = secretkey,
type = record.type.toString(),
name = record.domain.subdomain ?: "",
content = ip,
ttl = record.ttl.toString(),
)
}
}

9
src/commonMain/kotlin/com/infendro/ddns/dns/porkbun/dto/request/GetRecordsRequest.kt
View File

@@ -1,9 +0,0 @@
package com.infendro.ddns.dns.porkbun.dto.request
import kotlinx.serialization.Serializable
@Serializable
data class GetRecordsRequest(
val apikey: String,
val secretapikey: String,
)

13
src/commonMain/kotlin/com/infendro/ddns/dns/porkbun/dto/request/UpdateRecordRequest.kt
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@@ -1,13 +0,0 @@
package com.infendro.ddns.dns.porkbun.dto.request
import kotlinx.serialization.Serializable
@Serializable
data class UpdateRecordRequest(
val apikey: String,
val secretapikey: String,
val type: String,
val name: String,
val content: String,
val ttl: String,
)

21
src/commonMain/kotlin/com/infendro/ddns/dns/porkbun/dto/response/GetRecordsResponse.kt
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@@ -1,21 +0,0 @@
package com.infendro.ddns.dns.porkbun.dto.response
import kotlinx.serialization.Serializable
@Serializable
data class GetRecordsResponse(
val status: String,
val cloudflare: String,
val records: Array<Record>,
) {
@Serializable
data class Record(
val id: String,
val type: String,
val name: String,
val content: String,
val ttl: String,
val prio: String?,
val notes: String?,
)
}

9
src/commonMain/kotlin/com/infendro/ddns/ip/IpService.kt
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@@ -1,9 +0,0 @@
package com.infendro.ddns.ip
abstract class IpService {
abstract val ipv4: String
abstract val ipv6: String
val ip: List<String>
get() = listOf(ipv4, ipv6)
}

17
src/commonMain/kotlin/com/infendro/ddns/ip/IpServices.kt
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@@ -1,17 +0,0 @@
package com.infendro.ddns.ip
import com.infendro.ddns.ip.ipify.Ipify
object IpServices {
const val IPIFY = "ipify"
val DEFAULT = Ipify
fun get(
name: String,
): IpService {
return when (name) {
IPIFY -> Ipify
else -> throw Exception()
}
}
}

24
src/commonMain/kotlin/com/infendro/ddns/ip/ipify/Ipify.kt
View File

@@ -1,24 +0,0 @@
package com.infendro.ddns.ip.ipify
import com.infendro.ddns.Http
import com.infendro.ddns.ip.IpService
import com.infendro.ddns.ip.ipify.dto.response.GetIpResponse
import io.ktor.client.call.body
import io.ktor.client.request.get
import kotlinx.coroutines.runBlocking
object Ipify : IpService() {
override val ipv4: String
get() = runBlocking {
val response = Http.client.get("https://api.ipify.org?format=json")
val body = response.body<GetIpResponse>()
body.ip
}
override val ipv6: String
get() = runBlocking {
val response = Http.client.get("https://api64.ipify.org?format=json")
val body = response.body<GetIpResponse>()
body.ip
}
}

8
src/commonMain/kotlin/com/infendro/ddns/ip/ipify/dto/response/GetIpResponse.kt
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@@ -1,8 +0,0 @@
package com.infendro.ddns.ip.ipify.dto.response
import kotlinx.serialization.Serializable
@Serializable
data class GetIpResponse(
val ip: String,
)

27
src/config.rs Normal file
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@@ -0,0 +1,27 @@
use serde::Deserialize;
use std::{error::Error, fs};
#[derive(Deserialize)]
pub struct Config {
#[serde(flatten)]
pub auth: Auth,
pub entries: Vec<Entry>,
}
#[derive(Deserialize)]
pub struct Auth {
pub key: String,
pub secret_key: String,
}
#[derive(Deserialize)]
pub struct Entry {
pub domain: String,
pub subdomains: Vec<String>,
}
pub fn load(path: &str) -> Result<Config, Box<dyn Error>> {
let raw = fs::read_to_string(&path)?;
let config = serde_json::from_str(&raw)?;
Ok(config)
}

93
src/dns.rs Normal file
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@@ -0,0 +1,93 @@
use std::error::Error;
use reqwest::Client;
use serde::Deserialize;
use serde_json::json;
use crate::config::Auth;
pub struct Record {
pub id: String,
pub record_type: String,
pub domain: String,
pub subdomain: String,
pub value: String,
pub ttl: String,
}
const API: &str = "https://api.porkbun.com/api/json/v3";
#[derive(Deserialize)]
struct RecordsResponse {
records: Vec<RecordResponse>,
}
#[derive(Deserialize)]
struct RecordResponse {
id: String,
#[serde(rename = "type")]
record_type: String,
name: String,
content: String,
ttl: String,
}
impl RecordResponse {
fn into_model(self, domain: &str) -> Record {
let subdomain = self.name
.strip_suffix(domain).unwrap()
.strip_suffix(".").unwrap_or("");
Record {
id: self.id,
record_type: self.record_type,
domain: domain.to_string(),
subdomain: subdomain.to_string(),
value: self.content,
ttl: self.ttl,
}
}
}
pub async fn get_records(
client: &Client,
auth: &Auth,
domain: &str,
) -> Result<Vec<Record>, Box<dyn Error>> {
let body = json!({
"apikey": auth.key,
"secretapikey": auth.secret_key,
});
let request = client.post(format!("{API}/dns/retrieve/{domain}"))
.json(&body)
.send().await?;
let response = request.json::<RecordsResponse>().await?;
let records = response.records
.into_iter()
.map(|it| it.into_model(domain))
.collect();
Ok(records)
}
pub async fn update_record(
client: &Client,
auth: &Auth,
record: &Record,
value: &str,
) -> Result<(), Box<dyn Error>> {
let body = json!({
"apikey": auth.key,
"secretapikey": auth.secret_key,
"type": record.record_type,
"name": record.subdomain,
"content": value,
"ttl": record.ttl,
});
client.post(format!("{API}/dns/edit/{domain}/{id}", domain = record.domain, id = record.id))
.json(&body)
.send().await?;
Ok(())
}

18
src/ip.rs Normal file
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@@ -0,0 +1,18 @@
use reqwest::Client;
use std::error::Error;
pub async fn get_ipv4(client: &Client) -> Result<String, Box<dyn Error>> {
get_ip(client, "https://api4.ipify.org").await
}
pub async fn get_ipv6(client: &Client) -> Result<String, Box<dyn Error>> {
get_ip(client, "https://api6.ipify.org").await
}
async fn get_ip(client: &Client, url: &str) -> Result<String, Box<dyn Error>> {
let request = client.get(url)
.send().await?
.error_for_status()?;
let ip = request.text().await?;
Ok(ip)
}

52
src/main.rs Normal file
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@@ -0,0 +1,52 @@
use std::error::Error;
use reqwest::Client;
use crate::dns::Record;
mod config;
mod dns;
mod ip;
const CONFIG: &str = "/etc/ddns.json";
#[tokio::main]
async fn main() -> Result<(), Box<dyn Error>> {
let client = Client::new();
let config = config::load(CONFIG)?;
let ipv4 = ip::get_ipv4(&client).await.ok();
let ipv6 = ip::get_ipv6(&client).await.ok();
for entry in &config.entries {
let records = dns::get_records(&client, &config.auth, &entry.domain).await?;
if let Some(ip) = &ipv4 {
let a_records = find_records(&records, "A", &entry.subdomains, ip);
for record in a_records {
dns::update_record(&client, &config.auth, &record, ip).await?;
}
}
if let Some(ip) = &ipv6 {
let aaaa_records = find_records(&records, "AAAA", &entry.subdomains, ip);
for record in aaaa_records {
dns::update_record(&client, &config.auth, &record, ip).await?;
}
}
}
Ok(())
}
fn find_records<'a>(
records: &'a [Record],
record_type: &str,
subdomains: &[String],
value: &str
) -> Vec<&'a Record> {
records.iter()
.filter(|it| it.record_type == record_type && subdomains.contains(&it.subdomain) && it.value != value)
.collect()
}