2023-04-07 10:15:21 +08:00

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<template>
<!-- 表单 -->
<div v-show="getShow" class="form-cont">
<!-- <LoginFormTitle style="width: 100%" />-->
<el-tabs class="form" style="float: none" value="uname">
<el-tab-pane :label="'三方授权(' + client.name + ')'" name="uname" />
</el-tabs>
<div>
<el-form ref="ssoForm" :model="loginForm" class="login-form">
<!-- 授权范围的选择 -->
此第三方应用请求获得以下权限
<el-form-item prop="scopes">
<el-checkbox-group v-model="loginForm.scopes">
<el-checkbox
v-for="scope in params.scopes"
:key="scope"
:label="scope"
style="display: block; margin-bottom: -10px"
>{{ formatScope(scope) }}
</el-checkbox>
</el-checkbox-group>
</el-form-item>
<!-- 下方的登录按钮 -->
<el-form-item style="width: 100%">
<el-button
:loading="loading"
size="small"
style="width: 60%"
type="primary"
@click.prevent="handleAuthorize(true)"
>
<span v-if="!loading">同意授权</span>
<span v-else> 中...</span>
</el-button>
<el-button size="small" style="width: 36%" @click.prevent="handleAuthorize(false)"
>拒绝
</el-button>
</el-form-item>
</el-form>
</div>
</div>
</template>
<script lang="ts" name="SSOLogin" setup>
// import LoginFormTitle from './LoginFormTitle.vue' // TODO 艿艿你看看要不要这个表头
import { authorize, getAuthorize, paramsType, scopesType } from '@/api/login'
import { LoginStateEnum, useLoginState } from './useLogin'
import type { RouteLocationNormalizedLoaded } from 'vue-router'
const { t } = useI18n()
const ssoForm = ref() // 表单Ref
const { getLoginState, setLoginState } = useLoginState()
const getShow = computed(() => unref(getLoginState) === LoginStateEnum.SSO)
const loginForm = reactive<{ scopes: scopesType }>({
scopes: [] // 已选中的 scope 数组
})
const params = reactive<paramsType>({
// URL 上的 client_id、scope 等参数
responseType: '',
clientId: '',
redirectUri: '',
state: '',
scopes: [] // 优先从 query 参数获取;如果未传递,从后端获取
}) // 表单Ref
const client = ref({
// 客户端信息
name: '',
logo: ''
})
const loading = ref(false)
const handleAuthorize = (approved) => {
ssoForm.value.validate((valid) => {
if (!valid) {
return
}
loading.value = true
// 计算 checkedScopes + uncheckedScopes
let checkedScopes
let uncheckedScopes
if (approved) {
// 同意授权,按照用户的选择
checkedScopes = loginForm.scopes
uncheckedScopes = params.scopes.filter((item) => checkedScopes.indexOf(item) === -1)
} else {
// 拒绝,则都是取消
checkedScopes = []
uncheckedScopes = params.scopes
}
// 提交授权的请求
doAuthorize(false, checkedScopes, uncheckedScopes)
.then((res) => {
const href = res.data
if (!href) {
return
}
location.href = href
})
.finally(() => {
loading.value = false
})
})
}
const doAuthorize = (autoApprove, checkedScopes, uncheckedScopes) => {
return authorize(
params.responseType,
params.clientId,
params.redirectUri,
params.state,
autoApprove,
checkedScopes,
uncheckedScopes
)
}
const formatScope = (scope) => {
// 格式化 scope 授权范围,方便用户理解。
// 这里仅仅是一个 demo可以考虑录入到字典数据中例如说字典类型 "system_oauth2_scope",它的每个 scope 都是一条字典数据。
// TODO 这个之做了中文部分
return t(`login.sso.${scope}`)
}
const route = useRoute()
const init = () => {
// 防止在没有登录的情况下循环弹窗
if (typeof route.query.client_id === 'undefined') return
// 解析参数
// 例如说【自动授权不通过】client_id=default&redirect_uri=https%3A%2F%2Fwww.iocoder.cn&response_type=code&scope=user.read%20user.write
// 例如说【自动授权通过】client_id=default&redirect_uri=https%3A%2F%2Fwww.iocoder.cn&response_type=code&scope=user.read
params.responseType = route.query.response_type as string
params.clientId = route.query.client_id as string
params.redirectUri = route.query.redirect_uri as string
params.state = route.query.state as string
if (route.query.scope) {
params.scopes = (route.query.scope as string).split(' ')
}
// 如果有 scope 参数,先执行一次自动授权,看看是否之前都授权过了。
if (params.scopes.length > 0) {
doAuthorize(true, params.scopes, []).then((res) => {
if (!res) {
console.log('自动授权未通过!')
return
}
location.href = res.data
})
}
// 获取授权页的基本信息
getAuthorize(params.clientId).then((res) => {
client.value = res.client
// 解析 scope
let scopes
// 1.1 如果 params.scope 非空,则过滤下返回的 scopes
if (params.scopes.length > 0) {
scopes = []
for (const scope of res.scopes) {
if (params.scopes.indexOf(scope.key) >= 0) {
scopes.push(scope)
}
}
// 1.2 如果 params.scope 为空,则使用返回的 scopes 设置它
} else {
scopes = res.scopes
for (const scope of scopes) {
params.scopes.push(scope.key)
}
}
// 生成已选中的 checkedScopes
for (const scope of scopes) {
if (scope.value) {
loginForm.scopes.push(scope.key)
}
}
})
}
// =======SSO======
const { currentRoute } = useRouter()
// 监听当前路由
watch(
() => currentRoute.value,
(route: RouteLocationNormalizedLoaded) => {
if (route.name === 'SSOLogin') {
setLoginState(LoginStateEnum.SSO)
init()
}
},
{ immediate: true }
)
init()
</script>