package com.stoutner.privacybrowser.backgroundtasks
import android.annotation.SuppressLint
+import android.app.Application
import android.content.ContentResolver
import android.graphics.Typeface
import android.net.Uri
import android.text.style.StyleSpan
import android.webkit.CookieManager
+import com.stoutner.privacybrowser.R
import com.stoutner.privacybrowser.viewmodels.HeadersViewModel
import java.io.BufferedInputStream
class GetHeadersBackgroundTask {
- fun acquire(urlString: String, userAgent: String, localeString: String, proxy: Proxy, contentResolver: ContentResolver, headersViewModel: HeadersViewModel, ignoreSslErrors: Boolean):
+ fun acquire(application: Application, urlString: String, userAgent: String, localeString: String, proxy: Proxy, contentResolver: ContentResolver, headersViewModel: HeadersViewModel, ignoreSslErrors: Boolean):
Array<SpannableStringBuilder> {
// Initialize the spannable string builders.
+ val sslInformationBuilder = SpannableStringBuilder()
+ val appliedCipherBuilder = SpannableStringBuilder()
+ val availableCiphersBuilder = SpannableStringBuilder()
+ val sslCertificateBuilder = SpannableStringBuilder()
val requestHeadersBuilder = SpannableStringBuilder()
val responseMessageBuilder = SpannableStringBuilder()
val responseHeadersBuilder = SpannableStringBuilder()
val responseBodyBuilder = SpannableStringBuilder()
+ // Get the colon string.
+ val colonString = application.getString(R.string.colon)
+ val newLineString = System.getProperty("line.separator")
+
if (urlString.startsWith("content://")) { // This is a content URL.
// Attempt to read the content data. Return an error if this fails.
try {
for (i in 0 until contentCursor.columnCount) {
// Add a new line if this is not the first entry.
if (i > 0)
- responseHeadersBuilder.append(System.getProperty("line.separator"))
+ responseHeadersBuilder.append(newLineString)
// Add each header to the string builder.
responseHeadersBuilder.append(contentCursor.getColumnName(i), StyleSpan(Typeface.BOLD), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE)
- responseHeadersBuilder.append(": ")
+ responseHeadersBuilder.append(colonString)
responseHeadersBuilder.append(contentCursor.getString(i))
}
// Add the `Host` header to the string builder and format the text.
requestHeadersBuilder.append("Host", StyleSpan(Typeface.BOLD), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE)
- requestHeadersBuilder.append(": ")
+ requestHeadersBuilder.append(colonString)
requestHeadersBuilder.append(url.host)
httpUrlConnection.setRequestProperty("Connection", "keep-alive")
// Add the `Connection` header to the string builder and format the text.
- requestHeadersBuilder.append(System.getProperty("line.separator"))
+ requestHeadersBuilder.append(newLineString)
requestHeadersBuilder.append("Connection", StyleSpan(Typeface.BOLD), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE)
- requestHeadersBuilder.append(": keep-alive")
+ requestHeadersBuilder.append(colonString)
+ requestHeadersBuilder.append("keep-alive")
// Set the `Upgrade-Insecure-Requests` header property.
httpUrlConnection.setRequestProperty("Upgrade-Insecure-Requests", "1")
// Add the `Upgrade-Insecure-Requests` header to the string builder and format the text.
- requestHeadersBuilder.append(System.getProperty("line.separator"))
+ requestHeadersBuilder.append(newLineString)
requestHeadersBuilder.append("Upgrade-Insecure-Requests", StyleSpan(Typeface.BOLD), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE)
- requestHeadersBuilder.append(": 1")
+ requestHeadersBuilder.append(colonString)
+ requestHeadersBuilder.append("1")
// Set the `User-Agent` header property.
httpUrlConnection.setRequestProperty("User-Agent", userAgent)
// Add the `User-Agent` header to the string builder and format the text.
- requestHeadersBuilder.append(System.getProperty("line.separator"))
+ requestHeadersBuilder.append(newLineString)
requestHeadersBuilder.append("User-Agent", StyleSpan(Typeface.BOLD), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE)
- requestHeadersBuilder.append(": ")
+ requestHeadersBuilder.append(colonString)
requestHeadersBuilder.append(userAgent)
httpUrlConnection.setRequestProperty("Sec-Fetch-Site", "none")
// Add the `Sec-Fetch-Site` header to the string builder and format the text.
- requestHeadersBuilder.append(System.getProperty("line.separator"))
+ requestHeadersBuilder.append(newLineString)
requestHeadersBuilder.append("Sec-Fetch-Site", StyleSpan(Typeface.BOLD), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE)
- requestHeadersBuilder.append(": none")
+ requestHeadersBuilder.append(colonString)
+ requestHeadersBuilder.append("none")
// Set the `Sec-Fetch-Mode` header property.
httpUrlConnection.setRequestProperty("Sec-Fetch-Mode", "navigate")
// Add the `Sec-Fetch-Mode` header to the string builder and format the text.
- requestHeadersBuilder.append(System.getProperty("line.separator"))
+ requestHeadersBuilder.append(newLineString)
requestHeadersBuilder.append("Sec-Fetch-Mode", StyleSpan(Typeface.BOLD), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE)
- requestHeadersBuilder.append(": navigate")
+ requestHeadersBuilder.append(colonString)
+ requestHeadersBuilder.append("navigate")
// Set the `Sec-Fetch-User` header property.
httpUrlConnection.setRequestProperty("Sec-Fetch-User", "?1")
// Add the `Sec-Fetch-User` header to the string builder and format the text.
- requestHeadersBuilder.append(System.getProperty("line.separator"))
+ requestHeadersBuilder.append(newLineString)
requestHeadersBuilder.append("Sec-Fetch-User", StyleSpan(Typeface.BOLD), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE)
- requestHeadersBuilder.append(": ?1")
+ requestHeadersBuilder.append(colonString)
+ requestHeadersBuilder.append("?1")
// Set the `Accept` header property.
httpUrlConnection.setRequestProperty("Accept", "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3")
// Add the `Accept` header to the string builder and format the text.
- requestHeadersBuilder.append(System.getProperty("line.separator"))
+ requestHeadersBuilder.append(newLineString)
requestHeadersBuilder.append("Accept", StyleSpan(Typeface.BOLD), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE)
- requestHeadersBuilder.append(": ")
+ requestHeadersBuilder.append(colonString)
requestHeadersBuilder.append("text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3")
httpUrlConnection.setRequestProperty("Accept-Language", localeString)
// Add the `Accept-Language` header to the string builder and format the text.
- requestHeadersBuilder.append(System.getProperty("line.separator"))
+ requestHeadersBuilder.append(newLineString)
requestHeadersBuilder.append("Accept-Language", StyleSpan(Typeface.BOLD), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE)
- requestHeadersBuilder.append(": ")
+ requestHeadersBuilder.append(colonString)
requestHeadersBuilder.append(localeString)
httpUrlConnection.setRequestProperty("Cookie", cookiesString)
// Add the cookie header to the string builder and format the text.
- requestHeadersBuilder.append(System.getProperty("line.separator"))
+ requestHeadersBuilder.append(newLineString)
requestHeadersBuilder.append("Cookie", StyleSpan(Typeface.BOLD), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE)
- requestHeadersBuilder.append(": ")
+ requestHeadersBuilder.append(colonString)
requestHeadersBuilder.append(cookiesString)
}
// `HttpUrlConnection` sets `Accept-Encoding` to be `gzip` by default. If the property is manually set, than `HttpUrlConnection` does not process the decoding.
// Add the `Accept-Encoding` header to the string builder and format the text.
- requestHeadersBuilder.append(System.getProperty("line.separator"))
+ requestHeadersBuilder.append(newLineString)
requestHeadersBuilder.append("Accept-Encoding", StyleSpan(Typeface.BOLD), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE)
- requestHeadersBuilder.append(": gzip")
+ requestHeadersBuilder.append(colonString)
+ requestHeadersBuilder.append("gzip")
// Ignore SSL errors if requested.
if (ignoreSslErrors) {
// Get the response code, which causes the connection to the server to be made.
val responseCode = httpUrlConnection.responseCode
+ // Try to populate the SSL certificate information.
+ try {
+ // Get the applied cipher suite string.
+ val appliedCipherString = (httpUrlConnection as HttpsURLConnection).cipherSuite
+
+ // Populate the applied cipher builder, returned separately.
+ appliedCipherBuilder.append(appliedCipherString)
+
+ // Append the applied cipher suite to the SSL information builder.
+ sslInformationBuilder.append(application.getString(R.string.applied_cipher), StyleSpan(Typeface.BOLD), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE)
+ sslInformationBuilder.append(colonString)
+ sslInformationBuilder.append(appliedCipherString)
+ sslInformationBuilder.append(newLineString)
+
+ // Append the peer principal to the SSL information builder.
+ sslInformationBuilder.append(application.getString(R.string.peer_principal), StyleSpan(Typeface.BOLD), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE)
+ sslInformationBuilder.append(colonString)
+ sslInformationBuilder.append(httpUrlConnection.peerPrincipal.toString())
+ sslInformationBuilder.append(newLineString)
+
+ // Get the server certificate.
+ val serverCertificate = httpUrlConnection.serverCertificates[0]
+
+ // Append the certificate type to the SSL information builder.
+ sslInformationBuilder.append(application.getString(R.string.certificate_type), StyleSpan(Typeface.BOLD), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE)
+ sslInformationBuilder.append(colonString)
+ sslInformationBuilder.append(serverCertificate.type)
+ sslInformationBuilder.append(newLineString)
+
+ // Append the certificate hash code to the SSL information builder.
+ sslInformationBuilder.append(application.getString(R.string.certificate_hash_code), StyleSpan(Typeface.BOLD), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE)
+ sslInformationBuilder.append(colonString)
+ sslInformationBuilder.append(serverCertificate.hashCode().toString())
+
+ // Get the available cipher suites string array.
+ val availableCipherSuitesStringArray = httpUrlConnection.sslSocketFactory.defaultCipherSuites
+
+ // Get the available cipher suites string array size.
+ val availableCipherSuitesStringArraySize = availableCipherSuitesStringArray.size
+
+ // Populate the available cipher suites, returned separately.
+ for (i in 0 until availableCipherSuitesStringArraySize) {
+ // Append a new line if a cipher is already populated.
+ if (i > 0)
+ availableCiphersBuilder.append(newLineString)
+
+ // Get the current cipher suite.
+ val currentCipherSuite = availableCipherSuitesStringArray[i]
+
+ // Append the current cipher to the list.
+ availableCiphersBuilder.append(currentCipherSuite)
+ }
+
+ // Populate the SSL certificate, returned separately.
+ sslCertificateBuilder.append(serverCertificate.toString())
+ } catch (exception: Exception) {
+ // Do nothing.
+ }
+
// Populate the response message string builder.
responseMessageBuilder.append(responseCode.toString(), StyleSpan(Typeface.BOLD), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE)
- responseMessageBuilder.append(": ")
+ responseMessageBuilder.append(colonString)
responseMessageBuilder.append(httpUrlConnection.responseMessage)
// Initialize the iteration variable.
while (httpUrlConnection.getHeaderField(i) != null) {
// Add a new line if there is already information in the string builder.
if (i > 0)
- responseHeadersBuilder.append(System.getProperty("line.separator"))
+ responseHeadersBuilder.append(newLineString)
// Add the header to the string builder and format the text.
responseHeadersBuilder.append(httpUrlConnection.getHeaderFieldKey(i), StyleSpan(Typeface.BOLD), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE)
- responseHeadersBuilder.append(": ")
+ responseHeadersBuilder.append(colonString)
responseHeadersBuilder.append(httpUrlConnection.getHeaderField(i))
// Increment the iteration variable.
}
// Return the spannable string builders.
- return arrayOf(requestHeadersBuilder, responseMessageBuilder, responseHeadersBuilder, responseBodyBuilder)
+ return arrayOf(sslInformationBuilder, appliedCipherBuilder, availableCiphersBuilder, sslCertificateBuilder, requestHeadersBuilder, responseMessageBuilder, responseHeadersBuilder, responseBodyBuilder)
}
}
projects / PrivacyBrowserAndroid.git / blobdiff