Implement OIDC

9 files changed, 366 insertions, 208 deletions

diff --git a/web/composables/fetch-favourites.ts b/web/composables/fetch-favourites.ts
index 97b443a..e586d5b 100644
--- a/web/composables/fetch-favourites.ts
+++ b/web/composables/fetch-favourites.ts
@@ -1,4 +1,4 @@
-export default function useFetchFavourites() {
+export default function() {
     const favouritesStore = useFavouritesStore();
     const errorStore = useErrorStore();
     const config = useRuntimeConfig();
diff --git a/web/composables/fetch-login.ts b/web/composables/fetch-login.ts
new file mode 100644
index 0000000..707a04f
--- /dev/null
+++ b/web/composables/fetch-login.ts
@@ -0,0 +1,25 @@
+import { useLoginOptionsStore } from "~/stores/login-options";
+
+export default function() {
+    const loginOptionsStore = useLoginOptionsStore();
+    const errorStore = useErrorStore();
+    const config = useRuntimeConfig();
+    
+    loginOptionsStore.setStatus('pending')
+    
+    $fetch(config.public.baseURL + '/login', {
+      method: 'GET',
+      server: false,
+      lazy: true,
+      onResponse: ({ response }) => {
+        if (!response.ok) {
+          errorStore.setError(response._data.message || 'An unknown error occurred');
+        }
+
+        if (response._data) {
+          loginOptionsStore.setLoginOptions((response._data as any).data.options);
+          loginOptionsStore.setStatus('idle')
+        }
+      },
+    });
+}
\ No newline at end of file
diff --git a/web/composables/fetch-schedule.ts b/web/composables/fetch-schedule.ts
index c061d92..a0e6fec 100644
--- a/web/composables/fetch-schedule.ts
+++ b/web/composables/fetch-schedule.ts
@@ -1,4 +1,4 @@
-export default function useFetchFavourites() {
+export default function() {
     const scheduleStore = useScheduleStore();
     const errorStore = useErrorStore();
     const config = useRuntimeConfig();
@@ -10,7 +10,7 @@ export default function useFetchFavourites() {
       onResponse: ({ response }) => {
         if (!response.ok) {
           if (response.status === 401) {
-            navigateTo({ name: 'login', state: { error: 'Sorry, your session has expired' } });
+            navigateTo({ path: '/login', state: { error: 'Sorry, your session has expired' } });
           } else {
             errorStore.setError(response._data.message || 'An unknown error occurred');
           }
@@ -18,9 +18,6 @@ export default function useFetchFavourites() {
 
         if (response._data) {
           scheduleStore.setSchedule((response._data as any).data.schedule);
-          errorStore.setError("Schedule set");
-        } else {
-          errorStore.setError("Invalid response returned by server");
         }
       },
     });
diff --git a/web/nuxt.config.ts b/web/nuxt.config.ts
index dc76af0..d5762e7 100644
--- a/web/nuxt.config.ts
+++ b/web/nuxt.config.ts
@@ -15,7 +15,7 @@ try {
 export default defineNuxtConfig({
   compatibilityDate: "2024-11-01",
   devtools: { enabled: true },
-  ssr: true,
+  ssr: false,
   css: ["~/assets/css/main.css"],
 
   runtimeConfig: {
diff --git a/web/pages/agenda.vue b/web/pages/agenda.vue
index 5e0c643..9b55c9b 100644
--- a/web/pages/agenda.vue
+++ b/web/pages/agenda.vue
@@ -14,9 +14,6 @@ const favouriteEvents = computed(() => {
 
 const calendarStatus = ref('pending' as 'pending' | 'idle');
 const calendarLink = ref('')
-const calendarLinkWithPageProtocol = computed(() => {
-  return window.location.protocol + '//' + calendarLink.value;
-});
 
 const refConfirmDeleteDialog = ref<typeof Dialog>();
 
@@ -97,7 +94,7 @@ function deleteCalendar() {
         <div v-else-if="calendarStatus === 'idle'" class="calendar">
           <template v-if="calendarLink">
             <span>You can add your agenda to your own calendar using the iCal link below</span>
-            <Input :value="calendarLinkWithPageProtocol" readonly/>
+            <Input :value="calendarLink" readonly/>
             <Button @click="refConfirmDeleteDialog!.show()" :loading="calendarAction">Delete calendar</Button>
           </template>
           <template v-else>
diff --git a/web/pages/login.vue b/web/pages/login.vue
deleted file mode 100644
index 2900a5e..0000000
--- a/web/pages/login.vue
+++ /dev/null
@@ -1,193 +0,0 @@
-<script setup lang="ts">
-import { ref } from 'vue'
-import { FetchError } from 'ofetch'
-import Input from '~/components/Input.vue'
-
-definePageMeta({
-  layout: 'none'
-})
-
-const isLoading = ref(false)
-const error = ref("")
-
-const config = useRuntimeConfig()
-const headers = useRequestHeaders(['cookie'])
-
-const handleSubmit = async (e: Event) => {
-  const target = e.target as HTMLFormElement;
-  const formData = new FormData(target);
-
-  isLoading.value = true
-  error.value = ""
-  
-  try {
-    await $fetch(config.public.baseURL + '/login', {
-      method: 'POST',
-      body: JSON.stringify(Object.fromEntries(formData)),
-      headers: headers,
-      server: false,
-    });
-    
-    navigateTo("/");
-  } catch (e: any) {
-    if ((e as FetchError).data) {
-      error.value = e.data.message
-    } else {
-      error.value = "An unknown error occurred"
-    }
-  }
-  
-  isLoading.value = false
-}
-
-onMounted(() => {
-  if (history.state.error) {
-    error.value = history.state.error as string
-  }
-})
-
-</script>
-
-<template>
-  <div class="auth-container">
-    <div class="auth-header">
-      <h2 class="auth-title">Sign in</h2>
-
-      <div v-if="error" class="auth-error">
-        {{ error }}
-      </div>
-    </div>
-
-    <div class="auth-body">
-      <Panel>
-        <form class="auth-form" @submit.prevent="handleSubmit">
-          <div class="form-group">
-            <label for="username" class="form-label">
-              Username
-            </label>
-            <div class="form-input-container">
-              <Input id="username" name="username" required />
-            </div>
-          </div>
-
-          <div class="form-group">
-            <label for="password" class="form-label">
-              Password
-            </label>
-            <div class="form-input-container">
-              <Input id="password" name="password" type="password" autocomplete="current-password" required />
-            </div>
-          </div>
-
-
-          <div class="form-submit">
-            <Button type="submit" :loading="isLoading">
-              Sign in
-            </Button>
-          </div>
-
-          <Version class="version" />
-        </form>
-      </Panel>
-
-    </div>
-
-    <div class="form-footer">
-      <NuxtLink to="/register" class="register-link">
-        Register
-      </NuxtLink>
-    </div>
-
-  </div>
-</template>
-
-<style scoped>
-div.auth-container {
-  min-height: 100vh;
-  background-color: var(--color-background-muted);
-  display: flex;
-  flex-direction: column;
-  justify-content: center;
-  gap: 1rem;
-}
-
-div.auth-header {
-  margin: 0 auto;
-  width: 100%;
-  max-width: 28rem;
-  display: flex;
-  gap: 1rem;
-  align-items: center;
-  flex-direction: column;
-}
-
-h2.auth-title {
-  margin-top: 1.5rem;
-  font-size: 1.875rem;
-  font-weight: 800;
-  color: #1f2937; 
-}
-
-div.auth-body {
-  margin-top: 2rem; 
-  margin: 0 auto;
-  width: 100%;
-  max-width: 28rem; 
-}
-
-form.auth-form {
-  display: grid;
-  gap: 1.5rem; 
-}
-
-div.auth-error {
-  color: var(--color-text-error);
-  font-style: oblique;
-}
-
-div.form-group {
-  display: flex;
-  flex-direction: column;
-}
-
-label.form-label {
-  display: block;
-  font-size: 0.875rem; 
-  font-weight: 500;
-  color: #374151; 
-}
-
-div.form-input-container {
-  margin-top: 0.25rem; 
-}
-
-div.form-footer {
-  display: flex;
-  justify-content: flex-end;
-  margin: 0 auto;
-  max-width: 28rem;
-}
-
-div.form-submit {
-  display: flex;
-}
-
-div.form-submit button {
-  width: 100%;
-}
-    
-.version {
-  font-size: var(--text-smaller);
-  margin: 0 auto;
-  color: var(--color-text-muted-light);
-}
-
-.register-link {
-  font-size: var(--text-small); 
-  font-weight: 500; 
-}
-
-input[name="username"] {
-  text-transform: lowercase;
-}
-</style>
diff --git a/web/pages/login/[[provider]].vue b/web/pages/login/[[provider]].vue
new file mode 100644
index 0000000..bfc7e69
--- /dev/null
+++ b/web/pages/login/[[provider]].vue
@@ -0,0 +1,302 @@
+<script setup lang="ts">
+import { ref } from 'vue'
+import { FetchError } from 'ofetch'
+import Input from '~/components/Input.vue'
+import { useLoginOptionsStore } from '~/stores/login-options'
+
+definePageMeta({
+  layout: 'none'
+})
+
+const authenticating = ref(false)
+const authenticatingProvider = ref('')
+const error = ref("")
+const completingJourney = ref(false)
+const basicAuthEnabled = ref(false)
+
+const route = useRoute()
+const config = useRuntimeConfig()
+const loginOptionsStore = useLoginOptionsStore()
+const headers = useRequestHeaders(['cookie'])
+
+const { loginOptions, status } = storeToRefs(loginOptionsStore)
+
+watch(loginOptions, (options) => {
+  basicAuthEnabled.value = options.some(o => o.type === 'basic')
+})
+
+const handleBasicAuth = async (e: Event, providerName: string) => {
+  const target = e.target as HTMLFormElement;
+  const formData = new FormData(target);
+
+  authenticating.value = true
+  authenticatingProvider.value = providerName
+  
+  try {
+    await $fetch(config.public.baseURL + '/login/' + providerName, {
+      method: 'POST',
+      body: JSON.stringify(Object.fromEntries(formData)),
+      headers: headers,
+      server: false,
+    });
+    
+    navigateTo("/");
+  } catch (e: any) {
+    if ((e as FetchError).data) {
+      error.value = e.data.message
+    } else {
+      error.value = "An unknown error occurred"
+    }
+
+    authenticating.value = false
+    authenticatingProvider.value = ''
+  }
+}
+
+const handleOIDCAuth = async (providerName: string) => {
+  authenticating.value = true
+  authenticatingProvider.value = providerName
+  
+  try {
+    let response: any = await $fetch(config.public.baseURL + '/login/' + providerName, {
+      method: 'POST',
+      headers: headers,
+      server: false,
+    });
+    navigateTo(response.data.url, { external: true })
+  } catch (e: any) {
+    if ((e as FetchError).data) {
+      error.value = e.data.message
+    } else {
+      error.value = "An unknown error occurred"
+    }
+
+    authenticating.value = false
+    authenticatingProvider.value = ''
+  }
+}
+
+onMounted(async () => {
+  if (history.state.error) {
+    error.value = history.state.error as string
+  }
+
+  if (route.params.provider) {
+    completingJourney.value = true
+
+    try {
+      let state = route.query.state
+      let code = route.query.code
+
+
+      let response: any = await $fetch(config.public.baseURL + '/login/' + route.params.provider, {
+        method: 'POST',
+        headers: headers,
+        server: false,
+        body: {
+          state: state,
+          code: code,
+        }
+      });
+
+      if (response.code === 307) {
+        throw Error()
+      }
+
+      navigateTo("/");
+    } catch (e: any) {
+      if ((e as FetchError).data) {
+        error.value = e.data.message
+      } else {
+        error.value = "An unknown error occurred"
+      }
+
+      completingJourney.value = false
+      fetchLogin()
+    }
+    return
+  }
+
+  fetchLogin()
+})
+
+</script>
+
+<template>
+  <div class="auth-container">
+    <div class="auth-header">
+      <h2 class="auth-title">Sign in</h2>
+
+      <div v-if="error" class="auth-error">
+        {{ error }}
+      </div>
+    </div>
+
+    <div class="auth-body">
+      <Panel>
+        <div class="auth-form">
+          <div v-if="completingJourney" class="spinner">
+            <Spinner color="var(--color-text-muted)" />Completing login...
+          </div>
+          <div v-if="status === 'pending'" class="spinner">
+            <Spinner color="var(--color-text-muted)" />Getting login options...
+          </div>
+          <div v-for="option in loginOptions">
+            <form v-if="option.type === 'basic'" class="basic-form" @submit.prevent="(e) => handleBasicAuth(e, option.identifier)">
+              <div class="form-group">
+                <label for="username" class="form-label">
+                  Username
+                </label>
+                <div class="form-input-container">
+                  <Input id="username" name="username" required />
+                </div>
+              </div>
+
+              <div class="form-group">
+                <label for="password" class="form-label">
+                  Password
+                </label>
+                <div class="form-input-container">
+                  <Input id="password" name="password" type="password" autocomplete="current-password" required />
+                </div>
+              </div>
+
+
+              <div class="form-submit">
+                <Button type="submit" :loading="authenticatingProvider === option.identifier" :disabled="authenticating">
+                  Sign in
+                </Button>
+              </div>
+            </form>
+
+            <div v-if="option.type === 'oidc'" class="auth-provider">
+              <Button type="button" :loading="authenticatingProvider === option.identifier" :disabled="authenticating" @click="(e) => handleOIDCAuth(option.identifier)">
+                Sign in with {{ option.name }}
+              </Button>
+            </div>
+          </div>
+
+          <Version class="version" />
+        </div>
+      </Panel>
+
+    </div>
+
+    <div v-if="basicAuthEnabled" class="form-footer">
+      <NuxtLink to="/register" class="register-link">
+        Register
+      </NuxtLink>
+    </div>
+
+  </div>
+</template>
+
+<style scoped>
+div.auth-container {
+  min-height: 100vh;
+  background-color: var(--color-background-muted);
+  display: flex;
+  flex-direction: column;
+  justify-content: center;
+  gap: 1rem;
+}
+
+div.auth-header {
+  margin: 0 auto;
+  width: 100%;
+  max-width: 28rem;
+  display: flex;
+  gap: 1rem;
+  align-items: center;
+  flex-direction: column;
+}
+
+h2.auth-title {
+  margin-top: 1.5rem;
+  font-size: 1.875rem;
+  font-weight: 800;
+  color: #1f2937; 
+}
+
+div.auth-body {
+  margin-top: 2rem; 
+  margin: 0 auto;
+  width: 100%;
+  max-width: 28rem; 
+}
+
+div.auth-form {
+  display: grid;
+  gap: 1.5rem; 
+}
+
+form.basic-form {
+  display: grid;
+  gap: 1.5rem; 
+}
+
+div.auth-error {
+  color: var(--color-text-error);
+  font-style: oblique;
+}
+
+div.form-group {
+  display: flex;
+  flex-direction: column;
+}
+
+label.form-label {
+  display: block;
+  font-size: 0.875rem; 
+  font-weight: 500;
+  color: #374151; 
+}
+
+div.form-input-container {
+  margin-top: 0.25rem; 
+}
+
+div.form-footer {
+  display: flex;
+  justify-content: flex-end;
+  margin: 0 auto;
+  max-width: 28rem;
+}
+
+div.form-submit {
+  display: flex;
+}
+
+div.form-submit button {
+  width: 100%;
+}
+    
+.version {
+  font-size: var(--text-smaller);
+  margin: 0 auto;
+  color: var(--color-text-muted-light);
+}
+
+.auth-provider button {
+  display: flex;
+  width: 100%;
+}
+
+.register-link {
+  font-size: var(--text-small); 
+  font-weight: 500; 
+}
+
+input[name="username"] {
+  text-transform: lowercase;
+}
+
+.spinner {
+  display: flex;
+  justify-content: center;
+  align-items: center;
+  gap: 0.5rem;
+  font-size: var(--text-normal);
+  color: var(--color-text-muted);
+}
+</style>
diff --git a/web/stores/login-options.ts b/web/stores/login-options.ts
new file mode 100644
index 0000000..fd97a75
--- /dev/null
+++ b/web/stores/login-options.ts
@@ -0,0 +1,22 @@
+import { defineStore } from "pinia";
+
+interface LoginOption {
+  name: string;
+  identifier: string;
+  type: string;
+}
+
+export const useLoginOptionsStore = defineStore('loginOptions', () => {
+  const loginOptions = ref([] as LoginOption[])
+  const status = ref('idle' as 'idle' | 'pending')
+
+  const setLoginOptions = (newLoginOptions: LoginOption[]) => {
+    loginOptions.value = newLoginOptions
+  } 
+
+  const setStatus = (newStatus: 'idle' | 'pending') => {
+    status.value = newStatus
+  }
+
+  return {loginOptions, status, setLoginOptions, setStatus}
+})
diff --git a/web/web.go b/web/web.go
index 81ed6be..d823d46 100644
--- a/web/web.go
+++ b/web/web.go
@@ -4,25 +4,33 @@ import (
 	"embed"
 	"io/fs"
 	"net/http"
+	"regexp"
 )
 
-//go:generate npm ci
+//go:generate npm install
 //go:generate npm run generate
 
 //go:embed all:.output/public
 var fsys embed.FS
+var urlFileRegexp = regexp.MustCompile(`[\w\-/]+\.[a-zA-Z]+$`)
 
 type WebFileServer struct {
-	server http.Handler
+	root    fs.FS
+	handler http.Handler
 }
 
 func NewWebFileServer() *WebFileServer {
 	fsys, _ := fs.Sub(fsys, ".output/public")
 	return &WebFileServer{
-		server: http.FileServerFS(fsys),
+		root:    fsys,
+		handler: http.FileServerFS(fsys),
 	}
 }
 
 func (fs *WebFileServer) ServeHTTP(w http.ResponseWriter, r *http.Request) {
-	fs.server.ServeHTTP(w, r)
+	if p := r.URL.Path; p != "/" && !urlFileRegexp.MatchString(p) {
+		http.ServeFileFS(w, r, fs.root, "index.html")
+		return
+	}
+	fs.handler.ServeHTTP(w, r)
 }