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refactor: consolidate QR code scanning methods

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andrekir 2024-11-20 18:40:24 -03:00 • committed by Andre K
parent 75003bb6f0
commit f73d909cd0
44 changed files with 89 additions and 226 deletions
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34
app/src/main/java/com/geeksville/mesh/model/ChannelSet.kt
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@ -11,9 +11,9 @@ import com.journeyapps.barcodescanner.BarcodeEncoder
import java.net.MalformedURLException
import kotlin.jvm.Throws
internal const val URL_PREFIX = "https://meshtastic.org/e/#"
private const val MESHTASTIC_DOMAIN = "meshtastic.org"
private const val MESHTASTIC_CHANNEL_CONFIG_PATH = "/e/"
private const val MESHTASTIC_HOST = "meshtastic.org"
private const val MESHTASTIC_PATH = "/e/"
internal const val URL_PREFIX = "https://$MESHTASTIC_HOST$MESHTASTIC_PATH#"
private const val BASE64FLAGS = Base64.URL_SAFE + Base64.NO_WRAP + Base64.NO_PADDING
/**
@ -23,37 +23,21 @@ private const val BASE64FLAGS = Base64.URL_SAFE + Base64.NO_WRAP + Base64.NO_PAD
@Throws(MalformedURLException::class)
fun Uri.toChannelSet(): ChannelSet {
if (fragment.isNullOrBlank() ||
!host.equals(MESHTASTIC_DOMAIN, true) ||
!path.equals(MESHTASTIC_CHANNEL_CONFIG_PATH, true)
!host.equals(MESHTASTIC_HOST, true) ||
!path.equals(MESHTASTIC_PATH, true)
) {
throw MalformedURLException("Not a valid Meshtastic URL: ${toString().take(40)}")
}
// Older versions of Meshtastic clients (Apple/web) included `?add=true` within the URL fragment.
// This gracefully handles those cases until the newer version are generally available/used.
return ChannelSet.parseFrom(Base64.decode(fragment!!.substringBefore('?'), BASE64FLAGS))
}
/**
* Return a [Boolean] if the URL indicates the associated [ChannelSet] should be added to the
* existing configuration.
* @throws MalformedURLException when not recognized as a valid Meshtastic URL
*/
@Throws(MalformedURLException::class)
fun Uri.shouldAddChannels(): Boolean {
if (fragment.isNullOrBlank() ||
!host.equals(MESHTASTIC_DOMAIN, true) ||
!path.equals(MESHTASTIC_CHANNEL_CONFIG_PATH, true)
) {
throw MalformedURLException("Not a valid Meshtastic URL: ${toString().take(40)}")
}
// Older versions of Meshtastic clients (Apple/web) included `?add=true` within the URL fragment.
// This gracefully handles those cases until the newer version are generally available/used.
return fragment?.substringAfter('?', "")
val url = ChannelSet.parseFrom(Base64.decode(fragment!!.substringBefore('?'), BASE64FLAGS))
val shouldAdd = fragment?.substringAfter('?', "")
?.takeUnless { it.isBlank() }
?.equals("add=true")
?: getBooleanQueryParameter("add", false)
return url.toBuilder().apply { if (shouldAdd) clearLoraConfig() }.build()
}
/**