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Load settings based on env variable #29

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merged 3 commits into from
Jun 22, 2022
Merged

Load settings based on env variable #29

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64fa530
Load settings based on env variable
v-p-b Jun 21, 2022
1923d8e
Enable scripts if they were loaded based on env variable
v-p-b Jun 21, 2022
2754328
Spare unused variable
v-p-b Jun 22, 2022
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29 changes: 22 additions & 7 deletions src/main/kotlin/burp/BurpExtender.kt
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Original file line number Diff line number Diff line change
Expand Up @@ -43,6 +43,7 @@ import kotlin.concurrent.thread

const val NAME = "Piper"
const val EXTENSION_SETTINGS_KEY = "settings"
const val CONFIG_ENV_VAR = "PIPER_CONFIG"

data class MessageInfo(val content: ByteArray, val text: String, val headers: List<String>?, val url: URL?, val hrr: IHttpRequestResponse? = null) {
val asContentExtensionPair: Pair<ByteArray, String?> get() {
Expand Down Expand Up @@ -577,14 +578,28 @@ class BurpExtender : IBurpExtender, ITab, ListDataListener, IHttpListener {
}

private fun loadConfig(): Piper.Config {
val serialized = callbacks.loadExtensionSetting(EXTENSION_SETTINGS_KEY)
return if (serialized == null)
{
try {
val env = System.getenv(CONFIG_ENV_VAR)
if (env != null) {
val fmt = if (env.endsWith(".yml") || env.endsWith(".yaml")){
ConfigFormat.YAML
} else {
ConfigFormat.PROTOBUF
}
val configFile = File(env)
return fmt.parse(configFile.readBytes()).updateEnabled(true)
}

val serialized = callbacks.loadExtensionSetting(EXTENSION_SETTINGS_KEY)
if (serialized != null) {
return Piper.Config.parseFrom(decompress(unpad4(Z85.Z85Decoder(serialized))))
}

throw Exception("Fallback to default config")
} catch (e: Exception) {
val cfgMod = loadDefaultConfig()
saveConfig(cfgMod)
cfgMod
} else {
Piper.Config.parseFrom(decompress(unpad4(Z85.Z85Decoder(serialized))))
return cfgMod
}
}

Expand Down Expand Up @@ -790,4 +805,4 @@ private fun handleGUI(process: Process, tools: List<Piper.MinimalTool>) {
}
}.start()
}
}
}