android: simplex link mode setting, ios: untrusted simplex links (#1412)

* android: simplex link mode setting, ios: untrusted simplex links * correction Co-authored-by: JRoberts <8711996+jr-simplex@users.noreply.github.com> Co-authored-by: JRoberts <8711996+jr-simplex@users.noreply.github.com>
2026-05-27 11:53:03 +00:00 · 2022-11-25 09:55:51 +00:00
parent de7548a9a8
commit 9225f437e9
16 changed files with 119 additions and 45 deletions
@@ -79,6 +79,7 @@ class ChatModel(val controller: ChatController) {
  val sharedContent = mutableStateOf(null as SharedContent?)

  val filesToDelete = mutableSetOf<File>()
+  val simplexLinkMode = mutableStateOf(controller.appPrefs.simplexLinkMode.get())

  fun updateUserProfile(profile: LocalProfile) {
    val user = currentUser.value
@@ -1496,17 +1497,17 @@ object MsgContentSerializer : KSerializer<MsgContent> {
@Serializable
 class FormattedText(val text: String, val format: Format? = null) {
  // TODO make it dependent on simplexLinkMode preference
-  val link: String? = when (format) {
+  fun link(mode: SimplexLinkMode): String? = when (format) {
    is Format.Uri -> text
-    is Format.SimplexLink -> format.simplexUri
+    is Format.SimplexLink -> if (mode == SimplexLinkMode.BROWSER) text else format.simplexUri
    is Format.Email -> "mailto:$text"
    is Format.Phone -> "tel:$text"
    else -> null
  }

  // TODO make it dependent on simplexLinkMode preference
-  val viewText: String =
-    if (format is Format.SimplexLink) simplexLinkText(format.linkType, format.smpHosts) else text
+  fun viewText(mode: SimplexLinkMode): String =
+    if (format is Format.SimplexLink && mode == SimplexLinkMode.DESCRIPTION) simplexLinkText(format.linkType, format.smpHosts) else text

  fun simplexLinkText(linkType: SimplexLinkType, smpHosts: List<String>): String =
    "${linkType.description} (${String.format(generalGetString(R.string.simplex_link_connection), smpHosts.firstOrNull() ?: "?")})"
@@ -1521,8 +1522,7 @@ sealed class Format {
  @Serializable @SerialName("secret") class Secret: Format()
  @Serializable @SerialName("colored") class Colored(val color: FormatColor): Format()
  @Serializable @SerialName("uri") class Uri: Format()
-  // TODO trustedUri: Boolean
-  @Serializable @SerialName("simplexLink") class SimplexLink(val linkType: SimplexLinkType, val simplexUri: String, val smpHosts: List<String>): Format()
+  @Serializable @SerialName("simplexLink") class SimplexLink(val linkType: SimplexLinkType, val simplexUri: String, val trustedUri: Boolean, val smpHosts: List<String>): Format()
  @Serializable @SerialName("email") class Email: Format()
  @Serializable @SerialName("phone") class Phone: Format()

@@ -119,6 +119,7 @@ fun ChatView(chatId: String, chatModel: ChatModel, onComposed: () -> Unit) {
      chatModel.chatItems,
      searchText,
      useLinkPreviews = useLinkPreviews,
+      linkMode = chatModel.simplexLinkMode.value,
      chatModelIncognito = chatModel.incognito.value,
      back = {
        hideKeyboard(view)
@@ -242,6 +243,7 @@ fun ChatLayout(
  chatItems: List<ChatItem>,
  searchValue: State<String>,
  useLinkPreviews: Boolean,
+  linkMode: SimplexLinkMode,
  chatModelIncognito: Boolean,
  back: () -> Unit,
  info: () -> Unit,
@@ -291,7 +293,7 @@ fun ChatLayout(
          BoxWithConstraints(Modifier.fillMaxHeight().padding(contentPadding)) {
            ChatItemsList(
              chat, unreadCount, composeState, chatItems, searchValue,
-              useLinkPreviews, chatModelIncognito, showMemberInfo, loadPrevMessages, deleteMessage,
+              useLinkPreviews, linkMode, chatModelIncognito, showMemberInfo, loadPrevMessages, deleteMessage,
              receiveFile, joinGroup, acceptCall, markRead, setFloatingButton, onComposed,
            )
          }
@@ -449,6 +451,7 @@ fun BoxWithConstraintsScope.ChatItemsList(
  chatItems: List<ChatItem>,
  searchValue: State<String>,
  useLinkPreviews: Boolean,
+  linkMode: SimplexLinkMode,
  chatModelIncognito: Boolean,
  showMemberInfo: (GroupInfo, GroupMember) -> Unit,
  loadPrevMessages: (ChatInfo) -> Unit,
@@ -561,11 +564,11 @@ fun BoxWithConstraintsScope.ChatItemsList(
              } else {
                Spacer(Modifier.size(42.dp))
              }
-              ChatItemView(chat.chatInfo, cItem, composeState, provider, showMember = showMember, useLinkPreviews = useLinkPreviews, deleteMessage = deleteMessage, receiveFile = receiveFile, joinGroup = {}, acceptCall = acceptCall, scrollToItem = scrollToItem)
+              ChatItemView(chat.chatInfo, cItem, composeState, provider, showMember = showMember, useLinkPreviews = useLinkPreviews, linkMode = linkMode, deleteMessage = deleteMessage, receiveFile = receiveFile, joinGroup = {}, acceptCall = acceptCall, scrollToItem = scrollToItem)
            }
          } else {
            Box(Modifier.padding(start = 104.dp, end = 12.dp).then(swipeableModifier)) {
-              ChatItemView(chat.chatInfo, cItem, composeState, provider, useLinkPreviews = useLinkPreviews, deleteMessage = deleteMessage, receiveFile = receiveFile, joinGroup = {}, acceptCall = acceptCall, scrollToItem = scrollToItem)
+              ChatItemView(chat.chatInfo, cItem, composeState, provider, useLinkPreviews = useLinkPreviews, linkMode = linkMode, deleteMessage = deleteMessage, receiveFile = receiveFile, joinGroup = {}, acceptCall = acceptCall, scrollToItem = scrollToItem)
            }
          }
        } else { // direct message
@@ -576,7 +579,7 @@ fun BoxWithConstraintsScope.ChatItemsList(
              end = if (sent) 12.dp else 76.dp,
            ).then(swipeableModifier)
          ) {
-            ChatItemView(chat.chatInfo, cItem, composeState, provider, useLinkPreviews = useLinkPreviews, deleteMessage = deleteMessage, receiveFile = receiveFile, joinGroup = joinGroup, acceptCall = acceptCall, scrollToItem = scrollToItem)
+            ChatItemView(chat.chatInfo, cItem, composeState, provider, useLinkPreviews = useLinkPreviews, linkMode = linkMode, deleteMessage = deleteMessage, receiveFile = receiveFile, joinGroup = joinGroup, acceptCall = acceptCall, scrollToItem = scrollToItem)
          }
        }

@@ -950,6 +953,7 @@ fun PreviewChatLayout() {
      chatItems = chatItems,
      searchValue,
      useLinkPreviews = true,
+      linkMode = SimplexLinkMode.DESCRIPTION,
      chatModelIncognito = false,
      back = {},
      info = {},
@@ -1007,6 +1011,7 @@ fun PreviewGroupChatLayout() {
      chatItems = chatItems,
      searchValue,
      useLinkPreviews = true,
+      linkMode = SimplexLinkMode.DESCRIPTION,
      chatModelIncognito = false,
      back = {},
      info = {},
@@ -14,8 +14,7 @@ import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.tooling.preview.Preview
 import androidx.compose.ui.unit.dp
 import chat.simplex.app.R
-import chat.simplex.app.model.CIDirection
-import chat.simplex.app.model.ChatItem
+import chat.simplex.app.model.*
 import chat.simplex.app.ui.theme.HighOrLowlight
 import chat.simplex.app.ui.theme.SimpleXTheme
 import chat.simplex.app.views.chat.item.*
@@ -53,6 +52,7 @@ fun ContextItemView(
      MarkdownText(
        contextItem.text, contextItem.formattedText,
        sender = contextItem.memberDisplayName, senderBold = true, maxLines = 3,
+        linkMode = SimplexLinkMode.DESCRIPTION,
        modifier = Modifier.fillMaxWidth(),
      )
    }
@@ -205,6 +205,6 @@ class ChatItemProvider: PreviewParameterProvider<ChatItem> {
 fun PreviewCIFileFramedItemView(@PreviewParameter(ChatItemProvider::class) chatItem: ChatItem) {
  val showMenu = remember { mutableStateOf(false) }
  SimpleXTheme {
-    FramedItemView(ChatInfo.Direct.sampleData, chatItem, showMenu = showMenu, receiveFile = {})
+    FramedItemView(ChatInfo.Direct.sampleData, chatItem, linkMode = SimplexLinkMode.DESCRIPTION, showMenu = showMenu, receiveFile = {})
  }
 }
@@ -34,6 +34,7 @@ fun ChatItemView(
  imageProvider: (() -> ImageGalleryProvider)? = null,
  showMember: Boolean = false,
  useLinkPreviews: Boolean,
+  linkMode: SimplexLinkMode,
  deleteMessage: (Long, CIDeleteMode) -> Unit,
  receiveFile: (Long) -> Unit,
  joinGroup: (Long) -> Unit,
@@ -73,7 +74,7 @@ fun ChatItemView(
          EmojiItemView(cItem)
        } else {
          val onLinkLongClick = { _: String -> showMenu.value = true }
-          FramedItemView(cInfo, cItem, uriHandler, imageProvider, showMember = showMember, showMenu, receiveFile, onLinkLongClick, scrollToItem)
+          FramedItemView(cInfo, cItem, uriHandler, imageProvider, showMember = showMember, linkMode = linkMode, showMenu, receiveFile, onLinkLongClick, scrollToItem)
        }
        DropdownMenu(
          expanded = showMenu.value,
@@ -235,6 +236,7 @@ fun PreviewChatItemView() {
        1, CIDirection.DirectSnd(), Clock.System.now(), "hello"
      ),
      useLinkPreviews = true,
+      linkMode = SimplexLinkMode.DESCRIPTION,
      composeState = remember { mutableStateOf(ComposeState(useLinkPreviews = true)) },
      deleteMessage = { _, _ -> },
      receiveFile = {},
@@ -253,6 +255,7 @@ fun PreviewChatItemViewDeletedContent() {
      ChatInfo.Direct.sampleData,
      ChatItem.getDeletedContentSampleData(),
      useLinkPreviews = true,
+      linkMode = SimplexLinkMode.DESCRIPTION,
      composeState = remember { mutableStateOf(ComposeState(useLinkPreviews = true)) },
      deleteMessage = { _, _ -> },
      receiveFile = {},
@@ -40,6 +40,7 @@ fun FramedItemView(
  uriHandler: UriHandler? = null,
  imageProvider: (() -> ImageGalleryProvider)? = null,
  showMember: Boolean = false,
+  linkMode: SimplexLinkMode,
  showMenu: MutableState<Boolean>,
  receiveFile: (Long) -> Unit,
  onLinkLongClick: (link: String) -> Unit = {},
@@ -63,7 +64,8 @@ fun FramedItemView(
        qi.text
      MarkdownText(
        text, qi.formattedText, sender = qi.sender(membership()), senderBold = true, maxLines = 3,
-        style = TextStyle(fontSize = 15.sp, color = MaterialTheme.colors.onSurface)
+        style = TextStyle(fontSize = 15.sp, color = MaterialTheme.colors.onSurface),
+        linkMode = linkMode
      )
    }
  }
@@ -114,7 +116,7 @@ fun FramedItemView(
  fun ciFileView(ci: ChatItem, text: String) {
    CIFileView(ci.file, ci.meta.itemEdited, receiveFile)
    if (text != "") {
-      CIMarkdownText(ci, showMember, uriHandler)
+      CIMarkdownText(ci, showMember, linkMode = linkMode, uriHandler)
    }
  }

@@ -153,27 +155,27 @@ fun FramedItemView(
                if (mc.text == "") {
                  metaColor = Color.White
                } else {
-                  CIMarkdownText(ci, showMember, uriHandler)
+                  CIMarkdownText(ci, showMember, linkMode, uriHandler)
                }
              }
              is MsgContent.MCVoice -> {
                CIVoiceView(mc.duration, ci.file, ci.meta.itemEdited, ci.chatDir.sent, mc.text != "" || ci.quotedItem != null, ci, metaColor)
                if (mc.text != "") {
-                  CIMarkdownText(ci, showMember, uriHandler)
+                  CIMarkdownText(ci, showMember, linkMode, uriHandler)
                }
              }
              is MsgContent.MCFile -> ciFileView(ci, mc.text)
              is MsgContent.MCUnknown ->
                if (ci.file == null) {
-                  CIMarkdownText(ci, showMember, uriHandler, onLinkLongClick)
+                  CIMarkdownText(ci, showMember, linkMode, uriHandler, onLinkLongClick)
                } else {
                  ciFileView(ci, mc.text)
                }
              is MsgContent.MCLink -> {
                ChatItemLinkView(mc.preview)
-                CIMarkdownText(ci, showMember, uriHandler, onLinkLongClick)
+                CIMarkdownText(ci, showMember, linkMode, uriHandler, onLinkLongClick)
              }
-              else -> CIMarkdownText(ci, showMember, uriHandler, onLinkLongClick)
+              else -> CIMarkdownText(ci, showMember, linkMode, uriHandler, onLinkLongClick)
            }
          }
        }
@@ -191,13 +193,14 @@ fun FramedItemView(
 fun CIMarkdownText(
  ci: ChatItem,
  showMember: Boolean,
+  linkMode: SimplexLinkMode,
  uriHandler: UriHandler?,
  onLinkLongClick: (link: String) -> Unit = {}
 ) {
  Box(Modifier.padding(vertical = 6.dp, horizontal = 12.dp)) {
    MarkdownText(
      ci.content.text, ci.formattedText, if (showMember) ci.memberDisplayName else null,
-      metaText = ci.timestampText, edited = ci.meta.itemEdited,
+      metaText = ci.timestampText, edited = ci.meta.itemEdited, linkMode = linkMode,
      uriHandler = uriHandler, senderBold = true, onLinkLongClick = onLinkLongClick
    )
  }
@@ -248,6 +251,7 @@ fun PreviewTextItemViewSnd(@PreviewParameter(EditedProvider::class) edited: Bool
      ChatItem.getSampleData(
        1, CIDirection.DirectSnd(), Clock.System.now(), "hello", itemEdited = edited,
      ),
+      linkMode = SimplexLinkMode.DESCRIPTION,
      showMenu = showMenu,
      receiveFile = {}
    )
@@ -264,6 +268,7 @@ fun PreviewTextItemViewRcv(@PreviewParameter(EditedProvider::class) edited: Bool
      ChatItem.getSampleData(
        1, CIDirection.DirectRcv(), Clock.System.now(), "hello", itemEdited = edited
      ),
+      linkMode = SimplexLinkMode.DESCRIPTION,
      showMenu = showMenu,
      receiveFile = {}
    )
@@ -284,6 +289,7 @@ fun PreviewTextItemViewLong(@PreviewParameter(EditedProvider::class) edited: Boo
        "Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.",
        itemEdited = edited
      ),
+      linkMode = SimplexLinkMode.DESCRIPTION,
      showMenu = showMenu,
      receiveFile = {}
    )
@@ -305,6 +311,7 @@ fun PreviewTextItemViewQuote(@PreviewParameter(EditedProvider::class) edited: Bo
        quotedItem = CIQuote.getSample(1, Clock.System.now(), "hi", chatDir = CIDirection.DirectRcv()),
        itemEdited = edited
      ),
+      linkMode = SimplexLinkMode.DESCRIPTION,
      showMenu = showMenu,
      receiveFile = {}
    )
@@ -326,6 +333,7 @@ fun PreviewTextItemViewEmoji(@PreviewParameter(EditedProvider::class) edited: Bo
        quotedItem = CIQuote.getSample(1, Clock.System.now(), "Lorem ipsum dolor sit amet", chatDir = CIDirection.DirectRcv()),
        itemEdited = edited
      ),
+      linkMode = SimplexLinkMode.DESCRIPTION,
      showMenu = showMenu,
      receiveFile = {}
    )
@@ -354,6 +362,7 @@ fun PreviewQuoteWithTextAndImage(@PreviewParameter(EditedProvider::class) edited
        quotedItem = ciQuote,
        itemEdited = edited
      ),
+      linkMode = SimplexLinkMode.DESCRIPTION,
      showMenu = showMenu,
      receiveFile = {}
    )
@@ -382,6 +391,7 @@ fun PreviewQuoteWithLongTextAndImage(@PreviewParameter(EditedProvider::class) ed
        quotedItem = ciQuote,
        itemEdited = edited
      ),
+      linkMode = SimplexLinkMode.DESCRIPTION,
      showMenu = showMenu,
      receiveFile = {}
    )
@@ -409,6 +419,7 @@ fun PreviewQuoteWithLongTextAndFile(@PreviewParameter(EditedProvider::class) edi
        quotedItem = ciQuote,
        itemEdited = edited
      ),
+      linkMode = SimplexLinkMode.DESCRIPTION,
      showMenu = showMenu,
      receiveFile = {}
    )
@@ -10,6 +10,7 @@ import androidx.compose.ui.input.pointer.pointerInput
 import androidx.compose.ui.platform.*
 import androidx.compose.ui.text.*
 import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.text.style.TextDecoration
 import androidx.compose.ui.text.style.TextOverflow
 import androidx.compose.ui.unit.*
 import androidx.core.text.BidiFormatter
@@ -49,6 +50,7 @@ fun MarkdownText (
  uriHandler: UriHandler? = null,
  senderBold: Boolean = false,
  modifier: Modifier = Modifier,
+  linkMode: SimplexLinkMode,
  onLinkLongClick: (link: String) -> Unit = {}
 ) {
  val textLayoutDirection = remember (text) {
@@ -79,12 +81,16 @@ fun MarkdownText (
        for (ft in formattedText) {
          if (ft.format == null) append(ft.text)
          else {
-            val link = ft.link
+            val link = ft.link(linkMode)
            if (link != null) {
              hasLinks = true
-              val ftStyle = ft.format.style
+              val ftStyle = if (ft.format is Format.SimplexLink && !ft.format.trustedUri && linkMode == SimplexLinkMode.BROWSER) {
+                SpanStyle(color = Color.Red, textDecoration = TextDecoration.Underline)
+              } else {
+                ft.format.style
+              }
              withAnnotation(tag = "URL", annotation = link) {
-                withStyle(ftStyle) { append(ft.viewText) }
+                withStyle(ftStyle) { append(ft.viewText(linkMode)) }
              }
            } else {
              withStyle(ft.format.style) { append(ft.text) }
@@ -33,6 +33,7 @@ fun ChatListNavLinkView(chat: Chat, chatModel: ChatModel) {
    chat.chatStats.unreadCount > 0 || chat.chatStats.unreadChat
  }
  val stopped = chatModel.chatRunning.value == false
+  val linkMode = chatModel.controller.appPrefs.simplexLinkMode.get()
  LaunchedEffect(chat.id) {
    showMenu.value = false
    delay(500L)
@@ -40,7 +41,7 @@ fun ChatListNavLinkView(chat: Chat, chatModel: ChatModel) {
  when (chat.chatInfo) {
    is ChatInfo.Direct ->
      ChatListNavLinkLayout(
-        chatLinkPreview = { ChatPreviewView(chat, chatModel.incognito.value, chatModel.currentUser.value?.profile?.displayName, stopped) },
+        chatLinkPreview = { ChatPreviewView(chat, chatModel.incognito.value, chatModel.currentUser.value?.profile?.displayName, stopped, linkMode) },
        click = { directChatAction(chat.chatInfo, chatModel) },
        dropdownMenuItems = { ContactMenuItems(chat, chatModel, showMenu, showMarkRead) },
        showMenu,
@@ -48,7 +49,7 @@ fun ChatListNavLinkView(chat: Chat, chatModel: ChatModel) {
      )
    is ChatInfo.Group ->
      ChatListNavLinkLayout(
-        chatLinkPreview = { ChatPreviewView(chat, chatModel.incognito.value, chatModel.currentUser.value?.profile?.displayName, stopped) },
+        chatLinkPreview = { ChatPreviewView(chat, chatModel.incognito.value, chatModel.currentUser.value?.profile?.displayName, stopped, linkMode) },
        click = { groupChatAction(chat.chatInfo.groupInfo, chatModel) },
        dropdownMenuItems = { GroupMenuItems(chat, chat.chatInfo.groupInfo, chatModel, showMenu, showMarkRead) },
        showMenu,
@@ -586,7 +587,8 @@ fun PreviewChatListNavLinkDirect() {
          ),
          false,
          null,
-          stopped = false
+          stopped = false,
+          linkMode = SimplexLinkMode.DESCRIPTION
        )
      },
      click = {},
@@ -623,7 +625,8 @@ fun PreviewChatListNavLinkGroup() {
          ),
          false,
          null,
-          stopped = false
+          stopped = false,
+          linkMode = SimplexLinkMode.DESCRIPTION
        )
      },
      click = {},
@@ -26,7 +26,7 @@ import chat.simplex.app.views.chat.item.MarkdownText
 import chat.simplex.app.views.helpers.*

@Composable
-fun ChatPreviewView(chat: Chat, chatModelIncognito: Boolean, currentUserProfileDisplayName: String?, stopped: Boolean) {
+fun ChatPreviewView(chat: Chat, chatModelIncognito: Boolean, currentUserProfileDisplayName: String?, stopped: Boolean, linkMode: SimplexLinkMode) {
  val cInfo = chat.chatInfo

  @Composable
@@ -86,6 +86,7 @@ fun ChatPreviewView(chat: Chat, chatModelIncognito: Boolean, currentUserProfileD
        ci.text,
        ci.formattedText,
        sender = if (cInfo is ChatInfo.Group && !ci.chatDir.sent) ci.memberDisplayName else null,
+        linkMode = linkMode,
        senderBold = true,
        metaText = null,
        maxLines = 2,
@@ -232,6 +233,6 @@ fun ChatStatusImage(chat: Chat) {
@Composable
 fun PreviewChatPreviewView() {
  SimpleXTheme {
-    ChatPreviewView(Chat.sampleData, false, "", stopped = false)
+    ChatPreviewView(Chat.sampleData, false, "", stopped = false, linkMode = SimplexLinkMode.DESCRIPTION)
  }
 }
@@ -1,18 +1,20 @@
 package chat.simplex.app.views.usersettings

 import SectionDivider
+import SectionItemView
 import SectionSpacer
+import SectionTextFooter
 import SectionView
 import androidx.compose.foundation.layout.*
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.outlined.*
-import androidx.compose.runtime.Composable
+import androidx.compose.runtime.*
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.res.stringResource
 import chat.simplex.app.R
-import chat.simplex.app.model.ChatModel
-import chat.simplex.app.views.helpers.AppBarTitle
+import chat.simplex.app.model.*
+import chat.simplex.app.views.helpers.*

@Composable
 fun PrivacySettingsView(
@@ -23,6 +25,7 @@ fun PrivacySettingsView(
    Modifier.fillMaxWidth(),
    horizontalAlignment = Alignment.Start
  ) {
+    val simplexLinkMode = chatModel.controller.appPrefs.simplexLinkMode
    AppBarTitle(stringResource(R.string.your_privacy))
    SectionView(stringResource(R.string.settings_section_title_device)) {
      ChatLockItem(chatModel.performLA, setPerformLA)
@@ -38,6 +41,34 @@ fun PrivacySettingsView(
      }
      SettingsPreferenceItem(Icons.Outlined.TravelExplore, stringResource(R.string.send_link_previews), chatModel.controller.appPrefs.privacyLinkPreviews)
      SectionDivider()
+      SectionItemView { SimpleXLinkOptions(chatModel.simplexLinkMode, onSelected = {
+        simplexLinkMode.set(it)
+        chatModel.simplexLinkMode.value = it
+      }) }
+    }
+    if (chatModel.simplexLinkMode.value == SimplexLinkMode.BROWSER) {
+      SectionTextFooter(stringResource(R.string.simplex_link_mode_browser_warning))
    }
  }
 }
+
+@Composable
+private fun SimpleXLinkOptions(simplexLinkModeState: State<SimplexLinkMode>, onSelected: (SimplexLinkMode) -> Unit) {
+  val values = remember {
+    SimplexLinkMode.values().map {
+      when (it) {
+        SimplexLinkMode.DESCRIPTION -> it to generalGetString(R.string.simplex_link_mode_description)
+        SimplexLinkMode.FULL -> it to generalGetString(R.string.simplex_link_mode_full)
+        SimplexLinkMode.BROWSER -> it to generalGetString(R.string.simplex_link_mode_browser)
+      }
+    }
+  }
+  ExposedDropDownSettingRow(
+    generalGetString(R.string.simplex_link_mode),
+    values,
+    simplexLinkModeState,
+    icon = null,
+    enabled = remember { mutableStateOf(true) },
+    onSelected = onSelected
+  )
+}
@@ -46,6 +46,11 @@
  <string name="simplex_link_invitation">SimpleX Einmal-Link</string>
  <string name="simplex_link_group">SimpleX Gruppen-Link</string>
  <string name="simplex_link_connection">über <xliff:g id="serverHost" example="smp.simplex.im">%1$s</xliff:g></string>
+  <string name="simplex_link_mode">***SimpleX links</string>
+  <string name="simplex_link_mode_description">***Description</string>
+  <string name="simplex_link_mode_full">***Full link</string>
+  <string name="simplex_link_mode_browser">***Via browser</string>
+  <string name="simplex_link_mode_browser_warning">***Opening the link in the browser may reduce connection privacy and security. Untrusted SimpleX links will be red.</string>

  <!-- SimpleXAPI.kt -->
  <string name="error_saving_smp_servers">Fehler beim Speichern der SMP-Server</string>
@@ -46,6 +46,11 @@
    <string name="simplex_link_invitation">SimpleX одноразовая ссылка</string>
    <string name="simplex_link_group">SimpleX ссылка группы</string>
    <string name="simplex_link_connection">через <xliff:g id="serverHost" example="smp.simplex.im">%1$s</xliff:g></string>
+    <string name="simplex_link_mode">SimpleX ссылки</string>
+    <string name="simplex_link_mode_description">Описание</string>
+    <string name="simplex_link_mode_full">Полная ссылка</string>
+    <string name="simplex_link_mode_browser">В браузере</string>
+    <string name="simplex_link_mode_browser_warning">Использование ссылки в браузере может уменьшить конфиденциальность и безопасность соединения. Ссылки на неизвестные сайты будут красными.</string>

    <!-- SimpleXAPI.kt -->
    <string name="error_saving_smp_servers">Ошибка при сохранении SMP серверов</string>
@@ -43,9 +43,14 @@

  <!-- FormattedText, SimpleX links - ChatModel.kt -->
  <string name="simplex_link_contact">SimpleX contact address</string>
-  <string name="simplex_link_invitation">SimpleX 1-time invitation</string>
+  <string name="simplex_link_invitation">SimpleX one-time invitation</string>
  <string name="simplex_link_group">SimpleX group link</string>
  <string name="simplex_link_connection">via <xliff:g id="serverHost" example="smp.simplex.im">%1$s</xliff:g></string>
+  <string name="simplex_link_mode">SimpleX links</string>
+  <string name="simplex_link_mode_description">Description</string>
+  <string name="simplex_link_mode_full">Full link</string>
+  <string name="simplex_link_mode_browser">Via browser</string>
+  <string name="simplex_link_mode_browser_warning">Opening the link in the browser may reduce connection privacy and security. Untrusted SimpleX links will be red.</string>

  <!-- SimpleXAPI.kt -->
  <string name="error_saving_smp_servers">Error saving SMP servers</string>
@@ -10,7 +10,6 @@ import SwiftUI
 import SimpleXChat

 private let uiLinkColor = UIColor(red: 0, green: 0.533, blue: 1, alpha: 1)
-private let linkColor = Color(uiColor: uiLinkColor)

 struct MsgContentView: View {
    var text: String
@@ -70,11 +69,13 @@ private func formatText(_ ft: FormattedText, _ preview: Bool) -> Text {
        case .secret: return Text(t).foregroundColor(.clear).underline(color: .primary)
        case let .colored(color): return Text(t).foregroundColor(color.uiColor)
        case .uri: return linkText(t, t, preview, prefix: "")
-        case let .simplexLink(linkType, simplexUri, smpHosts):
+        case let .simplexLink(linkType, simplexUri, trustedUri, smpHosts):
            switch privacySimplexLinkModeDefault.get() {
            case .description: return linkText(simplexLinkText(linkType, smpHosts), simplexUri, preview, prefix: "")
            case .full: return linkText(t, simplexUri, preview, prefix: "")
-            case .browser: return linkText(t, t, preview, prefix: "")
+            case .browser: return trustedUri
+                                    ? linkText(t, t, preview, prefix: "")
+                                    : linkText(t, t, preview, prefix: "", color: .red, uiColor: .red)
            }
        case .email: return linkText(t, t, preview, prefix: "mailto:")
        case .phone: return linkText(t, t.replacingOccurrences(of: " ", with: ""), preview, prefix: "tel:")
@@ -84,13 +85,12 @@ private func formatText(_ ft: FormattedText, _ preview: Bool) -> Text {
    }
 }

-private func linkText(_ s: String, _ link: String,
-                      _ preview: Bool, prefix: String) -> Text {
+private func linkText(_ s: String, _ link: String, _ preview: Bool, prefix: String, color: Color = Color(uiColor: uiLinkColor), uiColor: UIColor = uiLinkColor) -> Text {
    preview
-    ? Text(s).foregroundColor(linkColor).underline(color: linkColor)
+    ? Text(s).foregroundColor(color).underline(color: color)
    : Text(AttributedString(s, attributes: AttributeContainer([
        .link: NSURL(string: prefix + link) as Any,
-        .foregroundColor: uiLinkColor as Any
+        .foregroundColor: uiColor as Any
    ]))).underline()
 }

@@ -53,7 +53,7 @@ struct PrivacySettings: View {
                    Text("Chats")
                } footer: {
                    if case .browser = simplexLinkMode {
-                        Text("Opening the link in the browser may reduce connection privacy and security.")
+                        Text("Opening the link in the browser may reduce connection privacy and security. Untrusted SimpleX links will be red.")
                    }
                }
            }
@@ -1733,8 +1733,7 @@ public enum Format: Decodable, Equatable {
    case secret
    case colored(color: FormatColor)
    case uri
-    // TODO trustedUri: Bool
-    case simplexLink(linkType: SimplexLinkType, simplexUri: String, smpHosts: [String])
+    case simplexLink(linkType: SimplexLinkType, simplexUri: String, trustedUri: Bool, smpHosts: [String])
    case email
    case phone
 }