get group announce list

mirai-core-qqandroid/build.gradle.kts

@@ -72,6 +72,11 @@ kotlin {
                 api(kotlinx("io", kotlinXIoVersion))
                 api(kotlinx("coroutines-io", coroutinesIoVersion))
                 api(kotlinx("coroutines-core", coroutinesVersion))
+
+                api(ktor("client-core", ktorVersion))
+
+                implementation(ktor("client-json",ktorVersion))
+                implementation(ktor("client-serialization",ktorVersion))
             }
         }
         commonMain {
@@ -110,6 +115,7 @@ kotlin {
                 runtimeOnly(files("build/classes/kotlin/jvm/main")) // classpath is not properly set by IDE
                 api(kotlinx("serialization-runtime", serializationVersion))
                 //api(kotlinx("serialization-protobuf", serializationVersion))
+
             }
         }
 

mirai-core-qqandroid/src/commonMain/kotlin/net/mamoe/mirai/qqandroid/ContactImpl.kt

@@ -9,6 +9,12 @@
 
 package net.mamoe.mirai.qqandroid
 
+import io.ktor.client.HttpClient
+import io.ktor.client.features.json.JsonFeature
+import io.ktor.client.features.json.serializer.KotlinxSerializer
+import io.ktor.client.request.*
+import io.ktor.client.request.forms.formData
+import kotlinx.coroutines.async
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.withTimeoutOrNull
 import kotlinx.io.core.Closeable
@@ -35,6 +41,7 @@ import net.mamoe.mirai.qqandroid.network.protocol.packet.chat.image.LongConn
 import net.mamoe.mirai.qqandroid.network.protocol.packet.chat.receive.MessageSvc
 import net.mamoe.mirai.qqandroid.utils.toIpV4AddressString
 import net.mamoe.mirai.utils.*
+import net.mamoe.mirai.utils.io.encodeToString
 import net.mamoe.mirai.utils.io.toUHexString
 import kotlin.contracts.ExperimentalContracts
 import kotlin.contracts.contract
@@ -559,6 +566,29 @@ internal class GroupImpl(
         TODO("not implemented")
     }
 
+    @MiraiExperimentalAPI
+    override suspend fun getAnnouncements(page: Int, amount: Int): GroupAnnouncementList {
+        val data = bot.network.async {
+            HttpClient { install(JsonFeature) { serializer = KotlinxSerializer() } }.post<GroupAnnouncementList> {
+                url("https://web.qun.qq.com/cgi-bin/announce/list_announce")
+                formData {
+                    append("qid", id)
+                    append("bkn", getBkn())
+                    append("ft", 23)  //好像是一个用来识别应用的参数
+                    append("s", -page)  // 第一页这里的参数应该是-1
+                    append("n", amount)
+                    append("format", "json")
+                }
+                header(
+                    "cookie",
+                    "uin=o${bot.selfQQ.id}; skey=${bot.client.wLoginSigInfo.sKey.data.encodeToString()}; p_uin=o${bot.selfQQ.id};"
+                )
+            }
+        }
+        return data.await()
+    }
+
+
     @OptIn(MiraiExperimentalAPI::class)
     override fun Member(memberInfo: MemberInfo): Member {
         return MemberImpl(
@@ -719,4 +749,16 @@ internal class GroupImpl(
         if (this::class != other::class) return false
         return this.id == other.id && this.bot == other.bot
     }
+
+    /*
+    * 获取 获取群公告 所需的bkn参数
+    * */
+    fun getBkn(): Int {
+        val str = bot.client.wLoginSigInfo.sKey.data.encodeToString()
+        var magic = 5381
+        for (i in str) {
+            magic += magic.shl(5) + i.toInt()
+        }
+        return Int.MAX_VALUE.and(magic)
+    }
 }

mirai-core-qqandroid/src/commonMain/kotlin/net/mamoe/mirai/qqandroid/network/protocol/packet/login/WtLogin.kt

@@ -602,6 +602,7 @@ internal class WtLogin {
                         userA5 = UserA5(tlvMap119.getOrEmpty(0x10b), creationTime),
                         userA8 = UserA8(tlvMap119.getOrEmpty(0x102), creationTime, expireTime)
                     )
+                    //bot.network.logger.error(client.wLoginSigInfo.sKey.data.encodeToString())
                 }
             }
 

mirai-core/src/commonMain/kotlin/net.mamoe.mirai/contact/Group.kt

@@ -12,7 +12,11 @@
 package net.mamoe.mirai.contact
 
 import kotlinx.coroutines.CoroutineScope
+import kotlinx.serialization.SerialInfo
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
 import net.mamoe.mirai.Bot
+import net.mamoe.mirai.data.GroupAnnouncementList
 import net.mamoe.mirai.data.MemberInfo
 import net.mamoe.mirai.event.events.*
 import net.mamoe.mirai.event.events.MessageSendEvent.FriendMessageSendEvent
@@ -148,6 +152,13 @@ expect abstract class Group() : Contact, CoroutineScope {
      */
     abstract operator fun contains(id: Long): Boolean
 
+    /**
+     * 获取群公告列表
+     *
+     * */
+    @MiraiExperimentalAPI
+    abstract suspend fun getAnnouncements(page: Int = 1, amount: Int = 10):GroupAnnouncementList
+
     /**
      * 让机器人退出这个群. 机器人必须为非群主才能退出. 否则将会失败
      */

mirai-core/src/commonMain/kotlin/net.mamoe.mirai/data/GroupAnnouncement.kt

@@ -0,0 +1,36 @@
+package net.mamoe.mirai.data
+
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
+
+/**
+ * 群公告数据类
+ *
+ *
+ */
+@Serializable
+data class GroupAnnouncementList(
+    val feeds: List<GroupAnnouncement>
+)
+
+@Serializable
+data class GroupAnnouncement(
+    @SerialName("u") val sender: Long,
+    val msg: GroupAnnouncementMsg,
+    val settings: GroupAnnouncementSettings
+)
+
+@Serializable
+data class GroupAnnouncementMsg(
+    val text: String,
+    val text_face: String,
+    val title: String
+)
+
+@Serializable
+data class GroupAnnouncementSettings(
+    @SerialName("is_show_edit_card") val isShowEditCard: Int,
+    @SerialName("remind_ts") val remindTs: Int,
+    @SerialName("tip_window_type") val tipWindowType: Int,
+    @SerialName("confirm_required") val confirmRequired: Int
+)

mirai-core/src/jvmMain/kotlin/net/mamoe/mirai/contact/Group.kt

@@ -11,6 +11,7 @@ package net.mamoe.mirai.contact
 
 import kotlinx.coroutines.CoroutineScope
 import net.mamoe.mirai.Bot
+import net.mamoe.mirai.data.GroupAnnouncementList
 import net.mamoe.mirai.data.MemberInfo
 import net.mamoe.mirai.event.events.*
 import net.mamoe.mirai.event.events.MessageSendEvent.FriendMessageSendEvent
@@ -146,6 +147,14 @@ actual abstract class Group : Contact(), CoroutineScope {
      */
     actual abstract fun getOrNull(id: Long): Member?
 
+
+    /**
+     * 获取群公告列表
+     *
+     * */
+    @MiraiExperimentalAPI
+    actual suspend abstract fun getAnnouncements(page: Int, amount: Int ):GroupAnnouncementList
+
     /**
      * 检查此 id 的群成员是否存在
      */