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Don't markup urls where the display text is exactly the domain (#2732)

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* Don't markup urls where the display text is exactly the domain (or www.thedomain)

* Remove unused arguments
This commit is contained in:
Levi Bard 2022-11-01 16:41:55 +01:00 committed by GitHub
parent 5887af3772
commit 58e8f75287
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GPG key ID: 4AEE18F83AFDEB23
2 changed files with 45 additions and 13 deletions
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21
app/src/main/java/com/keylesspalace/tusky/util/LinkHelper.kt
View file

@ -57,7 +57,7 @@ fun getDomain(urlString: String?): String {
* @param listener to notify about particular spans that are clicked
*/
fun setClickableText(view: TextView, content: CharSequence, mentions: List<Mention>, tags: List<HashTag>?, listener: LinkListener) {
val spannableContent = markupHiddenUrls(view.context, content, mentions, tags, listener)
val spannableContent = markupHiddenUrls(view.context, content)
view.text = spannableContent.apply {
getSpans(0, content.length, URLSpan::class.java).forEach {
@ -68,15 +68,26 @@ fun setClickableText(view: TextView, content: CharSequence, mentions: List<Menti
}
@VisibleForTesting
fun markupHiddenUrls(context: Context, content: CharSequence, mentions: List<Mention>, tags: List<HashTag>?, listener: LinkListener): SpannableStringBuilder {
fun markupHiddenUrls(context: Context, content: CharSequence): SpannableStringBuilder {
val spannableContent = SpannableStringBuilder.valueOf(content)
val originalSpans = spannableContent.getSpans(0, content.length, URLSpan::class.java)
val obscuredLinkSpans = originalSpans.filter {
val text = spannableContent.subSequence(spannableContent.getSpanStart(it), spannableContent.getSpanEnd(it))
val firstCharacter = text[0]
firstCharacter != '#' &&
firstCharacter != '@' &&
getDomain(text.toString()) != getDomain(it.url)
return@filter if (firstCharacter == '#' || firstCharacter == '@') {
false
} else {
var textDomain = getDomain(text.toString())
if (textDomain.isBlank()) {
// Allow "some.domain" or "www.some.domain" without a domain notifier
textDomain = if (text.startsWith("www.")) {
text.substring(4)
} else {
text.toString()
}
}
getDomain(it.url) != textDomain
}
}
for (span in obscuredLinkSpans) {

37
app/src/test/java/com/keylesspalace/tusky/util/LinkHelperTest.kt
View file

@ -165,7 +165,10 @@ class LinkHelperTest {
val maliciousUrl = "https://$maliciousDomain/to/go"
val content = SpannableStringBuilder()
content.append(displayedContent, URLSpan(maliciousUrl), 0)
Assert.assertEquals(context.getString(R.string.url_domain_notifier, displayedContent, maliciousDomain), markupHiddenUrls(context, content, listOf(), listOf(), listener).toString())
Assert.assertEquals(
context.getString(R.string.url_domain_notifier, displayedContent, maliciousDomain),
markupHiddenUrls(context, content).toString()
)
}
@Test
@ -175,10 +178,14 @@ class LinkHelperTest {
val maliciousUrl = "https://$maliciousDomain/to/go"
val content = SpannableStringBuilder()
content.append(displayedContent, URLSpan(maliciousUrl), 0)
Assert.assertEquals(context.getString(R.string.url_domain_notifier, displayedContent, maliciousDomain), markupHiddenUrls(context, content, listOf(), listOf(), listener).toString())
Assert.assertEquals(
context.getString(R.string.url_domain_notifier, displayedContent, maliciousDomain),
markupHiddenUrls(context, content).toString()
)
}
@Test fun multipleHiddenDomainsAreMarkedUp() {
@Test
fun multipleHiddenDomainsAreMarkedUp() {
val domains = listOf("one.place", "another.place", "athird.place")
val displayedContent = "link"
val content = SpannableStringBuilder()
@ -186,12 +193,26 @@ class LinkHelperTest {
content.append(displayedContent, URLSpan("https://$domain/foo/bar"), 0)
}
val markedUpContent = markupHiddenUrls(context, content, listOf(), listOf(), listener)
val markedUpContent = markupHiddenUrls(context, content)
for (domain in domains) {
Assert.assertTrue(markedUpContent.contains(context.getString(R.string.url_domain_notifier, displayedContent, domain)))
}
}
@Test
fun nonUriTextExactlyMatchingDomainIsNotMarkedUp() {
val domain = "some.place"
val content = SpannableStringBuilder()
.append(domain, URLSpan("https://some.place/"), 0)
.append(domain, URLSpan("https://some.place"), 0)
.append(domain, URLSpan("https://www.some.place"), 0)
.append("www.$domain", URLSpan("https://some.place"), 0)
.append("www.$domain", URLSpan("https://some.place/"), 0)
val markedUpContent = markupHiddenUrls(context, content)
Assert.assertFalse(markedUpContent.contains("🔗"))
}
@Test
fun validMentionsAreNotMarkedUp() {
val builder = SpannableStringBuilder()
@ -200,7 +221,7 @@ class LinkHelperTest {
builder.append(" ")
}
val markedUpContent = markupHiddenUrls(context, builder, mentions, tags, listener)
val markedUpContent = markupHiddenUrls(context, builder)
for (mention in mentions) {
Assert.assertFalse(markedUpContent.contains("${getDomain(mention.url)})"))
}
@ -214,7 +235,7 @@ class LinkHelperTest {
builder.append(" ")
}
val markedUpContent = markupHiddenUrls(context, builder, listOf(), tags, listener)
val markedUpContent = markupHiddenUrls(context, builder)
for (mention in mentions) {
Assert.assertFalse(markedUpContent.contains("${getDomain(mention.url)})"))
}
@ -228,7 +249,7 @@ class LinkHelperTest {
builder.append(" ")
}
val markedUpContent = markupHiddenUrls(context, builder, mentions, tags, listener)
val markedUpContent = markupHiddenUrls(context, builder)
for (tag in tags) {
Assert.assertFalse(markedUpContent.contains("${getDomain(tag.url)})"))
}
@ -242,7 +263,7 @@ class LinkHelperTest {
builder.append(" ")
}
val markedUpContent = markupHiddenUrls(context, builder, mentions, listOf(), listener)
val markedUpContent = markupHiddenUrls(context, builder)
for (tag in tags) {
Assert.assertFalse(markedUpContent.contains("${getDomain(tag.url)})"))
}