add d1kt SSO integration: OAuth2 login via WebView + phone binding

android/oral-trainer-sdk/src/main/java/cn/learningpad/oraltrainer/sdk/UserApi.kt

@@ -109,6 +109,24 @@ class UserApi internal constructor(
         onComplete: (Result<AuthSession>) -> Unit,
     ): CancellableRequest = submit(onComplete) { requestBlocking("api/v1/auth/login", username, password, auth = false) }
 
+    fun ssoExchange(
+        accessToken: String,
+        onComplete: (Result<SsoExchangeResult>) -> Unit,
+    ): CancellableRequest = submit(onComplete) {
+        val root = JSONObject().put("access_token", accessToken)
+        val response = request("api/v1/auth/sso/exchange", body = root.toString(), method = "POST")
+        parseSsoExchangeResult(JSONObject(response))
+    }
+
+    fun ssoBindPhone(
+        token: String,
+        phone: String,
+        onComplete: (Result<Unit>) -> Unit,
+    ): CancellableRequest = submitUnit(onComplete, token) {
+        val root = JSONObject().put("phone", phone)
+        request("api/v1/auth/sso/bind-phone", token = token, body = root.toString(), method = "POST")
+    }
+
     fun courses(
         token: String,
         onComplete: (Result<List<Course>>) -> Unit,
@@ -279,4 +297,25 @@ class UserApi internal constructor(
             ),
         )
     }
+
+    private fun parseSsoExchangeResult(root: JSONObject): SsoExchangeResult {
+        val user = root.getJSONObject("user")
+        return SsoExchangeResult(
+            token = root.getString("token"),
+            user = AuthUser(
+                id = user.getString("id"),
+                username = user.getString("username"),
+                nickname = user.getString("nickname"),
+            ),
+            phoneBound = root.optBoolean("phone_bound", false),
+            isNewUser = root.optBoolean("is_new_user", false),
+        )
     }
+}
+
+data class SsoExchangeResult(
+    val token: String,
+    val user: AuthUser,
+    val phoneBound: Boolean,
+    val isNewUser: Boolean,
+)

android/sample-app/src/main/java/cn/learningpad/oraltrainer/sample/MainActivity.kt

@@ -46,6 +46,7 @@ import android.widget.Toast
 import cn.learningpad.oraltrainer.sdk.GestureEvent
 import cn.learningpad.oraltrainer.sdk.GestureKind
 import cn.learningpad.oraltrainer.sdk.AuthSession
+import cn.learningpad.oraltrainer.sdk.AuthUser
 import cn.learningpad.oraltrainer.sdk.ImitationAssessmentCallback
 import cn.learningpad.oraltrainer.sdk.ImitationAssessmentResult
 import cn.learningpad.oraltrainer.sdk.LoopMode
@@ -69,6 +70,9 @@ import java.net.URL
 import java.nio.ByteBuffer
 import java.util.Locale
 import org.json.JSONObject
+import android.webkit.WebView
+import android.webkit.WebViewClient
+import android.webkit.WebResourceRequest
 import androidx.core.content.FileProvider
 import kotlin.math.max
 import androidx.media3.common.MediaItem
@@ -122,6 +126,10 @@ class MainActivity : Activity() {
     private var regPhoneInput: EditText? = null
     private var regStatusText: TextView? = null
     private var showingRegisterPage = false
+    private var showingSsoWebView = false
+    private var showingPhoneBinding = false
+    private var ssoPendingToken: String? = null
+    private var ssoWebView: WebView? = null
     private var myContentList: LinearLayout? = null
     private var sentenceBoundaryRequestGeneration = 0
     private var catalogVideos: List<TrainingVideoSummary> = emptyList()
@@ -331,6 +339,8 @@ class MainActivity : Activity() {
         setContentView(
             when {
                 isLoggedIn() -> createContentView()
+                showingSsoWebView -> createSsoWebView()
+                showingPhoneBinding -> createPhoneBindingView()
                 showingRegisterPage -> createRegisterView()
                 else -> createAuthView()
             }
@@ -395,6 +405,23 @@ class MainActivity : Activity() {
                 }
                 layoutParams = LinearLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, 44.dp).withMargins(0, 0, 0, 0)
             })
+            addView(TextView(this@MainActivity).apply {
+                text = "── 或 ──"
+                textSize = 13f
+                setTextColor(COLOR_TEXT_MUTED)
+                gravity = Gravity.CENTER
+                setPadding(0, 12.dp, 0, 12.dp)
+            })
+            addView(Button(this@MainActivity).apply {
+                text = "第一课堂一键登录"
+                background = rounded(COLOR_BUTTON, 8f)
+                setTextColor(Color.WHITE)
+                setOnClickListener {
+                    showingSsoWebView = true
+                    setRootView()
+                }
+                layoutParams = LinearLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, 44.dp).withMargins(0, 0, 0, 0)
+            })
             addView(authStatusText)
         }
     }
@@ -534,6 +561,203 @@ class MainActivity : Activity() {
         else sdk.userApi.login(username, password, callback)
     }
 
+    // ─── 第一课堂 SSO ────────────────────────────────────────────
+
+    @Suppress("SetJavaScriptEnabled")
+    private fun createSsoWebView(): View {
+        val authorizeUrl = Uri.parse(SSO_AUTHORIZE_URL).buildUpon()
+            .appendQueryParameter("client_id", SSO_CLIENT_ID)
+            .appendQueryParameter("redirect_uri", SSO_REDIRECT_URI)
+            .appendQueryParameter("response_type", "code")
+            .appendQueryParameter("scope", SSO_SCOPE)
+            .appendQueryParameter("state", "oral-trainer")
+            .build()
+            .toString()
+
+        val container = LinearLayout(this).apply {
+            orientation = LinearLayout.VERTICAL
+            setBackgroundColor(COLOR_BACKGROUND)
+        }
+
+        container.addView(Button(this).apply {
+            text = "取消登录"
+            setOnClickListener {
+                showingSsoWebView = false
+                ssoWebView = null
+                setRootView()
+            }
+            layoutParams = LinearLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, 44.dp)
+        })
+
+        ssoWebView = WebView(this).apply {
+            settings.javaScriptEnabled = true
+            settings.domStorageEnabled = true
+            webViewClient = object : WebViewClient() {
+                override fun shouldOverrideUrlLoading(view: WebView?, request: WebResourceRequest?): Boolean {
+                    val url = request?.url ?: return false
+                    if (url.scheme == "oraltrainer" && url.host == "oauth") {
+                        val code = url.getQueryParameter("code")
+                        handleSsoCallback(code)
+                        return true
+                    }
+                    return false
+                }
+            }
+            loadUrl(authorizeUrl)
+        }
+        container.addView(ssoWebView, LinearLayout.LayoutParams(
+            ViewGroup.LayoutParams.MATCH_PARENT, 0, 1f
+        ))
+        return container
+    }
+
+    private fun handleSsoCallback(code: String?) {
+        if (code.isNullOrBlank()) {
+            showingSsoWebView = false
+            ssoWebView = null
+            setRootView()
+            return
+        }
+
+        Thread {
+            try {
+                val accessToken = exchangeSsoCodeForToken(code)
+                sdk.userApi.ssoExchange(accessToken) { result ->
+                    result.fold(
+                        onSuccess = { ssoResult ->
+                            showingSsoWebView = false
+                            ssoWebView = null
+                            ssoPendingToken = ssoResult.token
+                            if (!ssoResult.phoneBound) {
+                                showingPhoneBinding = true
+                                setRootView()
+                            } else {
+                                saveAuthSession(AuthSession(ssoResult.token, ssoResult.user))
+                            }
+                        },
+                        onFailure = { error ->
+                            showingSsoWebView = false
+                            ssoWebView = null
+                            setRootView()
+                            runOnUiThread {
+                                authStatusText?.text = "SSO 登录失败：${error.message}"
+                            }
+                        },
+                    )
+                }
+            } catch (e: Exception) {
+                runOnUiThread {
+                    showingSsoWebView = false
+                    ssoWebView = null
+                    setRootView()
+                    authStatusText?.text = "SSO 登录失败：${e.message}"
+                }
+            }
+        }.start()
+    }
+
+    private fun exchangeSsoCodeForToken(code: String): String {
+        val url = URL(SSO_TOKEN_URL)
+        val connection = url.openConnection() as HttpURLConnection
+        try {
+            connection.requestMethod = "POST"
+            connection.doOutput = true
+            connection.connectTimeout = 15_000
+            connection.readTimeout = 15_000
+            connection.setRequestProperty("Content-Type", "application/x-www-form-urlencoded")
+
+            val body = "grant_type=authorization_code" +
+                "&code=$code" +
+                "&client_id=$SSO_CLIENT_ID" +
+                "&client_secret=$SSO_CLIENT_SECRET" +
+                "&redirect_uri=${Uri.encode(SSO_REDIRECT_URI)}"
+            connection.outputStream.use { it.write(body.toByteArray(Charsets.UTF_8)) }
+
+            val statusCode = connection.responseCode
+            val stream = if (statusCode in 200..299) connection.inputStream else connection.errorStream
+            val text = stream?.bufferedReader(Charsets.UTF_8)?.use { it.readText() }.orEmpty()
+            if (statusCode !in 200..299) throw RuntimeException("Token exchange failed: HTTP $statusCode $text")
+            val json = JSONObject(text)
+            return json.getString("access_token")
+        } finally {
+            connection.disconnect()
+        }
+    }
+
+    private fun createPhoneBindingView(): View {
+        return ScrollView(this).apply {
+            layoutParams = ViewGroup.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT)
+            setBackgroundColor(COLOR_BACKGROUND)
+            addView(LinearLayout(this@MainActivity).apply {
+                orientation = LinearLayout.VERTICAL
+                gravity = Gravity.CENTER_HORIZONTAL
+                setPadding(28.dp, 60.dp, 28.dp, 28.dp)
+
+                addView(TextView(this@MainActivity).apply {
+                    text = "绑定手机号"
+                    textSize = 28f
+                    typeface = Typeface.DEFAULT_BOLD
+                    setTextColor(Color.WHITE)
+                })
+                addView(TextView(this@MainActivity).apply {
+                    text = "已通过第一课堂登录，请绑定手机号后继续"
+                    textSize = 14f
+                    setTextColor(COLOR_TEXT_MUTED)
+                    setPadding(0, 6.dp, 0, 24.dp)
+                })
+
+                addView(fieldLabel("手机号"))
+                val phoneInput = EditText(this@MainActivity).apply {
+                    hint = "请输入 11 位手机号"
+                    inputType = android.text.InputType.TYPE_CLASS_PHONE
+                    setSingleLine(true)
+                }
+                addView(phoneInput)
+
+                val bindStatusText = TextView(this@MainActivity).apply {
+                    setTextColor(COLOR_ACCENT_LIGHT)
+                    textSize = 13f
+                    setPadding(0, 14.dp, 0, 0)
+                }
+
+                addView(Button(this@MainActivity).apply {
+                    text = "绑定并继续"
+                    background = rounded(COLOR_ACCENT, 8f)
+                    setTextColor(Color.WHITE)
+                    setOnClickListener {
+                        val phone = phoneInput.text?.toString()?.trim().orEmpty()
+                        if (!Regex("^1[3-9]\\d{9}$").matches(phone)) {
+                            bindStatusText.text = "请输入有效的 11 位手机号"
+                            return@setOnClickListener
+                        }
+                        val token = ssoPendingToken
+                        if (token.isNullOrBlank()) {
+                            bindStatusText.text = "登录状态已过期，请重新登录"
+                            return@setOnClickListener
+                        }
+                        bindStatusText.text = "绑定中..."
+                        sdk.userApi.ssoBindPhone(token, phone) { result ->
+                            result.fold(
+                                onSuccess = {
+                                    showingPhoneBinding = false
+                                    ssoPendingToken = null
+                                    saveAuthSession(AuthSession(token, AuthUser("", "", "")))
+                                    setRootView()
+                                    loadCatalog()
+                                },
+                                onFailure = { error ->
+                                    bindStatusText.text = "绑定失败：${error.message}"
+                                },
+                            )
+                        }
+                    }
+                    layoutParams = LinearLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, 48.dp).withMargins(0, 20.dp, 0, 0)
+                })
+                addView(bindStatusText)
+            })
+        }
+    }
+
     private fun saveAuthSession(session: AuthSession) {
         authToken = session.token
         authNickname = session.user.nickname
@@ -2222,6 +2446,14 @@ class MainActivity : Activity() {
         // 朗读评测密钥：填服务器 sentence_api/.env 里的 CLIENT_API_KEY。
         const val ASSESSMENT_API_KEY = "fcf60fa10bc1c49e5ddb93d570bc54df5648e187b64096962498d57661c14220"
 
+        // 第一课堂 OAuth2 SSO 配置
+        const val SSO_AUTHORIZE_URL = "https://d1kt.cn/api/oauth2/authorize"
+        const val SSO_TOKEN_URL = "https://d1kt.cn/api/oauth2/token"
+        const val SSO_CLIENT_ID = "oral-trainer-app"
+        const val SSO_CLIENT_SECRET = "oral-trainer-secret-2024"
+        const val SSO_REDIRECT_URI = "oraltrainer://oauth/callback"
+        const val SSO_SCOPE = "openid profile email username"
+
         const val PICK_VIDEO_REQUEST = 1001
         const val RECORD_AUDIO_REQUEST = 1002
         const val PROGRESS_MAX = 1000

scripts/register_oral_trainer_oauth_client.js

@@ -0,0 +1,60 @@
+#!/usr/bin/env node
+/**
+ * 在第一课堂 MongoDB 中注册口语训练 App 的 OAuth2 客户端。
+ * 在第一课堂服务器上运行：
+ *   cd /path/to/typing_practiceweb
+ *   MONGODB_URI=<uri> node scripts/register_oral_trainer_oauth_client.js
+ */
+const mongoose = require('mongoose');
+
+const CLIENT_ID = 'oral-trainer-app';
+const CLIENT_SECRET = 'oral-trainer-secret-2024';
+const CLIENT_NAME = '口语训练 App';
+
+async function main() {
+  const uri = process.env.MONGODB_URI;
+  if (!uri) {
+    console.error('MONGODB_URI is required.');
+    process.exit(1);
+  }
+
+  await mongoose.connect(uri);
+
+  const db = mongoose.connection.db;
+  const collection = db.collection('oauth2clients');
+
+  const existing = await collection.findOne({ clientId: CLIENT_ID });
+  if (existing) {
+    console.log(`Client "${CLIENT_ID}" already exists. Updating redirect URIs...`);
+    await collection.updateOne(
+      { clientId: CLIENT_ID },
+      { $set: { clientSecret: CLIENT_SECRET, name: CLIENT_NAME } }
+    );
+  } else {
+    console.log(`Creating OAuth2 client "${CLIENT_ID}"...`);
+    await collection.insertOne({
+      clientId: CLIENT_ID,
+      clientSecret: CLIENT_SECRET,
+      name: CLIENT_NAME,
+      redirectUris: [
+        'oraltrainer://oauth/callback',
+      ],
+      grants: ['authorization_code'],
+      scope: ['openid', 'profile', 'email', 'firstname', 'lastname', 'username'],
+      createdAt: new Date(),
+      linkedUsers: [],
+    });
+  }
+
+  console.log('Done. Client config:');
+  console.log(`  client_id:     ${CLIENT_ID}`);
+  console.log(`  client_secret: ${CLIENT_SECRET}`);
+  console.log(`  redirect_uri:  oraltrainer://oauth/callback`);
+
+  await mongoose.disconnect();
+}
+
+main().catch((err) => {
+  console.error(err);
+  process.exit(1);
+});

sentence_api/main.py

@@ -5,6 +5,8 @@ import mimetypes
 import shutil
 import subprocess
 import uuid
+import urllib.request
+import urllib.error
 from pathlib import Path
 from typing import Any, BinaryIO, Dict, List, Optional
 import json
@@ -41,6 +43,9 @@ from .models import (
     SentenceBoundaryDocument,
     SentenceTextUpdate,
     UserDubShareSummary,
+    SsoExchangeRequest,
+    SsoExchangeResponse,
+    SsoBindPhoneRequest,
     UserPublic,
     UserResultSummary,
     UserAdminListResponse,
@@ -201,6 +206,68 @@ def create_app(
             video_repository.delete_session(token)
         return Response(status_code=204)
 
+    D1KT_USERINFO_URL = "https://d1kt.cn/api/oauth2/userinfo"
+
+    @application.post("/api/v1/auth/sso/exchange", response_model=SsoExchangeResponse)
+    def sso_exchange(payload: SsoExchangeRequest) -> SsoExchangeResponse:
+        # Call the 第一课堂 userinfo endpoint to validate the access_token.
+        req = urllib.request.Request(
+            D1KT_USERINFO_URL,
+            headers={"Authorization": f"Bearer {payload.access_token}"},
+        )
+        try:
+            with urllib.request.urlopen(req, timeout=10) as resp:
+                userinfo = json.loads(resp.read().decode("utf-8"))
+        except (urllib.error.URLError, urllib.error.HTTPError, json.JSONDecodeError) as exc:
+            raise HTTPException(
+                status_code=401,
+                detail=f"第一课堂 access_token validation failed: {exc}",
+            )
+
+        d1kt_username = userinfo.get("username") or userinfo.get("name") or ""
+        if not d1kt_username:
+            raise HTTPException(status_code=401, detail="第一课堂 userinfo did not contain a username.")
+
+        fullname = userinfo.get("fullname") or userinfo.get("lastname") or d1kt_username
+        email = userinfo.get("email") or ""
+
+        # Try to find an existing local user with the same username.
+        existing = video_repository.get_user_by_username(d1kt_username)
+
+        if existing is None:
+            # Create a new SSO-linked user.
+            user = video_repository.create_sso_user(
+                username=d1kt_username,
+                nickname=fullname,
+                email=email,
+                sso_provider="d1kt",
+            )
+            if user is None:
+                raise HTTPException(status_code=409, detail="Failed to create SSO user.")
+            is_new_user = True
+        else:
+            user = existing
+            is_new_user = False
+
+        phone_bound = bool(user.get("phone_bound"))
+        token = video_repository.create_session(user["id"])
+        return SsoExchangeResponse(
+            token=token,
+            user=UserPublic(**user),
+            phone_bound=phone_bound,
+            is_new_user=is_new_user,
+        )
+
+    @application.post("/api/v1/auth/sso/bind-phone", response_model=UserPublic)
+    def sso_bind_phone(
+        payload: SsoBindPhoneRequest,
+        user: AuthenticatedUser = Depends(current_user),
+    ) -> UserPublic:
+        updated_user = video_repository.bind_phone(user.id, payload.phone)
+        if updated_user is None:
+            raise HTTPException(status_code=404, detail="User was not found.")
+        return UserPublic(**updated_user)
+
     @application.get("/api/v1/courses", response_model=List[CourseSummary])
     def list_courses(user: AuthenticatedUser = Depends(current_user)) -> List[CourseSummary]:
         return [

sentence_api/models.py

@@ -155,6 +155,21 @@ class AuthResponse(BaseModel):
     user: UserPublic
 
 
+class SsoExchangeRequest(BaseModel):
+    access_token: str = Field(min_length=1, max_length=256)
+
+
+class SsoExchangeResponse(BaseModel):
+    token: str
+    user: UserPublic
+    phone_bound: bool = False
+    is_new_user: bool = False
+
+
+class SsoBindPhoneRequest(BaseModel):
+    phone: str = Field(min_length=1, max_length=20, pattern=r"^1[3-9]\d{9}$")
+
+
 class UserAdminItem(BaseModel):
     id: str
     username: str

sentence_api/repository.py

@@ -156,6 +156,10 @@ class VideoRepository:
             }
             if "phone" not in user_columns:
                 connection.execute("ALTER TABLE users ADD COLUMN phone TEXT")
+            if "sso_provider" not in user_columns:
+                connection.execute("ALTER TABLE users ADD COLUMN sso_provider TEXT")
+            if "phone_bound" not in user_columns:
+                connection.execute("ALTER TABLE users ADD COLUMN phone_bound INTEGER NOT NULL DEFAULT 0")
             connection.execute("CREATE INDEX IF NOT EXISTS idx_attempts_user ON attempts(user_id)")
 
         with self._connect() as connection:
@@ -789,6 +793,43 @@ class VideoRepository:
             return None
         return self.get_user_by_id(user_id)
 
+    def create_sso_user(
+        self,
+        *,
+        username: str,
+        nickname: str,
+        email: str = "",
+        sso_provider: str = "d1kt",
+    ) -> Optional[Dict[str, Any]]:
+        user_id = uuid.uuid4().hex
+        now = utc_now()
+        try:
+            with self._connect() as connection:
+                connection.execute(
+                    """
+                    INSERT INTO users (id, username, nickname, phone, sso_provider, phone_bound, password_hash, created_at)
+                    VALUES (?, ?, ?, NULL, ?, 0, '', ?)
+                    """,
+                    (
+                        user_id,
+                        username.strip().lower(),
+                        (nickname or username).strip()[:80],
+                        sso_provider,
+                        now,
+                    ),
+                )
+        except sqlite3.IntegrityError:
+            return None
+        return self.get_user_by_id(user_id)
+
+    def bind_phone(self, user_id: str, phone: str) -> Optional[Dict[str, Any]]:
+        with self._connect() as connection:
+            connection.execute(
+                "UPDATE users SET phone = ?, phone_bound = 1 WHERE id = ?",
+                (phone.strip()[:20], user_id),
+            )
+        return self.get_user_by_id(user_id)
+
     def get_user_by_username(self, username: str) -> Optional[Dict[str, Any]]:
         with self._connect() as connection:
             row = connection.execute(