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97 lines
3.5 KiB
Kotlin
97 lines
3.5 KiB
Kotlin
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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package org.mozilla.fenix.search.telemetry
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import android.net.Uri
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import org.json.JSONObject
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private const val SEARCH_TYPE_SAP_FOLLOW_ON = "sap-follow-on"
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private const val SEARCH_TYPE_SAP = "sap"
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private const val SEARCH_TYPE_ORGANIC = "organic"
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private const val CHANNEL_KEY = "channel"
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internal fun getTrackKey(
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provider: SearchProviderModel,
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uri: Uri,
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cookies: List<JSONObject>
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): String {
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val paramSet = uri.queryParameterNames
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var code: String? = null
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if (provider.codeParam.isNotEmpty()) {
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code = uri.getQueryParameter(provider.codeParam)
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// Try cookies first because Bing has followOnCookies and valid code, but no
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// followOnParams => would tracks organic instead of sap-follow-on
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if (provider.followOnCookies.isNotEmpty()) {
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// Checks if engine contains a valid follow-on cookie, otherwise return default
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getTrackKeyFromCookies(provider, uri, cookies)?.let {
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return it.createTrackKey()
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}
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}
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// For Bing if it didn't have a valid cookie and for all the other search engines
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if (hasValidCode(code, provider)) {
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val channel = uri.getQueryParameter(CHANNEL_KEY)
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val type = getSapType(provider.followOnParams, paramSet)
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return TrackKeyInfo(provider.name, type, code, channel).createTrackKey()
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}
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}
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// Default to organic search type if no code parameter was found.
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return TrackKeyInfo(provider.name, SEARCH_TYPE_ORGANIC, code).createTrackKey()
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}
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private fun getTrackKeyFromCookies(
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provider: SearchProviderModel,
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uri: Uri,
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cookies: List<JSONObject>
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): TrackKeyInfo? {
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// Especially Bing requires lots of extra work related to cookies.
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for (followOnCookie in provider.followOnCookies) {
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val eCode = uri.getQueryParameter(followOnCookie.extraCodeParam)
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if (eCode == null || !followOnCookie.extraCodePrefixes.any { prefix ->
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eCode.startsWith(prefix)
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}) {
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continue
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}
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// If this cookie is present, it's probably an SAP follow-on.
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// This might be an organic follow-on in the same session, but there
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// is no way to tell the difference.
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for (cookie in cookies) {
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if (cookie.getString("name") != followOnCookie.name) {
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continue
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}
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val valueList = cookie.getString("value")
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.split("=")
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.map { item -> item.trim() }
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if (valueList.size == 2 && valueList[0] == followOnCookie.codeParam &&
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followOnCookie.codePrefixes.any { prefix ->
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valueList[1].startsWith(
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prefix
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)
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}
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) {
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return TrackKeyInfo(provider.name, SEARCH_TYPE_SAP_FOLLOW_ON, valueList[1])
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}
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}
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}
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return null
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}
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private fun getSapType(followOnParams: List<String>, paramSet: Set<String>): String {
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return if (followOnParams.any { param -> paramSet.contains(param) }) {
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SEARCH_TYPE_SAP_FOLLOW_ON
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} else {
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SEARCH_TYPE_SAP
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}
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}
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private fun hasValidCode(code: String?, provider: SearchProviderModel): Boolean =
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code != null && provider.codePrefixes.any { prefix -> code.startsWith(prefix) }
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