kotovalexarian
/
android
Archived
1
0
Fork 0
Code Releases Activity

Improve custom WebView client

This commit is contained in:
Alex Kotov 2021-08-15 06:36:36 +05:00
parent 23c396f3c2
commit 7161a5f629
Signed by: kotovalexarian
GPG Key ID: 553C0EBBEB5D5F08
1 changed files with 35 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

44
app/src/main/java/com/causa_arcana/CustomWebViewClient.kt
View File

@ -7,22 +7,48 @@ import android.webkit.WebView
import android.webkit.WebViewClient
class CustomWebViewClient(private val context: Context): WebViewClient() {
companion object {
private const val HOST = "causa-arcana.com"
private const val SCHEME = "https"
private const val NO_PORT = -1
private const val PORT = 443
}
override fun shouldInterceptRequest(
view: WebView?,
request: WebResourceRequest,
): WebResourceResponse? {
val url = request.url.toString()
if (!relatedHost(request)) return super.shouldInterceptRequest(view, request)
if (url == "https://causa-arcana.com/assets/images/blog/decentralized-vs-distributed-wrong.png") {
return WebResourceResponse("image/png", "utf-8",
context.assets.open("decentralized-vs-distributed-wrong.png"))
if (!validComponents(request)) return WebResourceResponse(
"text/plain", "utf-8", 418, "I'm a teapot",
null, null,
)
return when (request.url.path) {
"/assets/images/blog/decentralized-vs-distributed-wrong.png" ->
WebResourceResponse("image/png", "utf-8",
context.assets.open("decentralized-vs-distributed-wrong.png"))
"/assets/images/blog/network-topologies.png" ->
WebResourceResponse("image/png", "utf-8",
context.assets.open("network-topologies.png"))
else ->
WebResourceResponse(
"text/plain", "utf-8", 418, "I'm a teapot",
null, null,
)
}
}
if (url == "https://causa-arcana.com/assets/images/blog/network-topologies.png") {
return WebResourceResponse("image/png", "utf-8",
context.assets.open("network-topologies.png"))
}
private fun relatedHost(request: WebResourceRequest): Boolean {
return request.url.host?.lowercase() == HOST
}
return super.shouldInterceptRequest(view, request)
private fun validComponents(request: WebResourceRequest): Boolean {
return request.url.scheme?.lowercase() == SCHEME &&
request.url.userInfo == null &&
(request.url.port == NO_PORT || request.url.port == PORT) &&
request.url.query == null &&
request.url.fragment == null
}
}