Apply min-height in wiki only on preview pane (#28687)

In the commit 5a56f9699c (3.) the min-height was applied to all wiki
elements. This resulted in huge blank spaces when viewing the wiki.

This fixes this by only applying the min-height to the preview when
editing.

Refs: https://codeberg.org/forgejo/forgejo/pulls/2080

(cherry picked from commit 8f0baefe5dadc929fe7456c36c8b205e96f228f0)

Co-authored-by: Fl1tzi <git@fl1tzi.com>

custom/conf/app.example.ini

@@ -1529,6 +1529,10 @@ LEVEL = Info
 ;; userid = use the userid / sub attribute
 ;; nickname = use the nickname attribute
 ;; email = use the username part of the email attribute
+;; Note: `nickname` and `email` options will normalize input strings using the following criteria:
+;; - diacritics are removed
+;; - the characters in the set `['´\x60]` are removed
+;; - the characters in the set `[\s~+]` are replaced with `-`
 ;USERNAME = nickname
 ;;
 ;; Update avatar if available from oauth2 provider.

docs/content/administration/config-cheat-sheet.en-us.md

@@ -596,9 +596,13 @@ And the following unique queues:
 - `OPENID_CONNECT_SCOPES`: **_empty_**: List of additional openid connect scopes. (`openid` is implicitly added)
 - `ENABLE_AUTO_REGISTRATION`: **false**: Automatically create user accounts for new oauth2 users.
 - `USERNAME`: **nickname**: The source of the username for new oauth2 accounts:
-  - userid - use the userid / sub attribute
+  - `userid` - use the userid / sub attribute
-  - nickname - use the nickname attribute
+  - `nickname` - use the nickname attribute
-  - email - use the username part of the email attribute
+  - `email` - use the username part of the email attribute
+  - Note: `nickname` and `email` options will normalize input strings using the following criteria:
+    - diacritics are removed
+    - the characters in the set `['´\x60]` are removed
+    - the characters in the set `[\s~+]` are replaced with `-`
 - `UPDATE_AVATAR`: **false**: Update avatar if available from oauth2 provider. Update will be performed on each login.
 - `ACCOUNT_LINKING`: **login**: How to handle if an account / email already exists:
   - disabled - show an error

models/user/user.go

@@ -10,8 +10,10 @@ import (
 	"fmt"
 	"net/url"
 	"path/filepath"
+	"regexp"
 	"strings"
 	"time"
+	"unicode"
 
 	_ "image/jpeg" // Needed for jpeg support
 
@@ -29,6 +31,9 @@ import (
 	"code.gitea.io/gitea/modules/util"
 	"code.gitea.io/gitea/modules/validation"
 
+	"golang.org/x/text/runes"
+	"golang.org/x/text/transform"
+	"golang.org/x/text/unicode/norm"
 	"xorm.io/builder"
 )
 
@@ -515,6 +520,26 @@ func GetUserSalt() (string, error) {
 	return hex.EncodeToString(rBytes), nil
 }
 
+// Note: The set of characters here can safely expand without a breaking change,
+// but characters removed from this set can cause user account linking to break
+var (
+	customCharsReplacement    = strings.NewReplacer("Æ", "AE")
+	removeCharsRE             = regexp.MustCompile(`['´\x60]`)
+	removeDiacriticsTransform = transform.Chain(norm.NFD, runes.Remove(runes.In(unicode.Mn)), norm.NFC)
+	replaceCharsHyphenRE      = regexp.MustCompile(`[\s~+]`)
+)
+
+// normalizeUserName returns a string with single-quotes and diacritics
+// removed, and any other non-supported username characters replaced with
+// a `-` character
+func NormalizeUserName(s string) (string, error) {
+	strDiacriticsRemoved, n, err := transform.String(removeDiacriticsTransform, customCharsReplacement.Replace(s))
+	if err != nil {
+		return "", fmt.Errorf("Failed to normalize character `%v` in provided username `%v`", s[n], s)
+	}
+	return replaceCharsHyphenRE.ReplaceAllLiteralString(removeCharsRE.ReplaceAllLiteralString(strDiacriticsRemoved, ""), "-"), nil
+}
+
 var (
 	reservedUsernames = []string{
 		".",

models/user/user_test.go

@@ -544,3 +544,31 @@ func Test_ValidateUser(t *testing.T) {
 		assert.EqualValues(t, expected, err == nil, fmt.Sprintf("case: %+v", kase))
 	}
 }
+
+func Test_NormalizeUserFromEmail(t *testing.T) {
+	testCases := []struct {
+		Input             string
+		Expected          string
+		IsNormalizedValid bool
+	}{
+		{"test", "test", true},
+		{"Sinéad.O'Connor", "Sinead.OConnor", true},
+		{"Æsir", "AEsir", true},
+		// \u00e9\u0065\u0301
+		{"éé", "ee", true},
+		{"Awareness Hub", "Awareness-Hub", true},
+		{"double__underscore", "double__underscore", false}, // We should consider squashing double non-alpha characters
+		{".bad.", ".bad.", false},
+		{"new😀user", "new😀user", false}, // No plans to support
+	}
+	for _, testCase := range testCases {
+		normalizedName, err := user_model.NormalizeUserName(testCase.Input)
+		assert.NoError(t, err)
+		assert.EqualValues(t, testCase.Expected, normalizedName)
+		if testCase.IsNormalizedValid {
+			assert.NoError(t, user_model.IsUsableUsername(normalizedName))
+		} else {
+			assert.Error(t, user_model.IsUsableUsername(normalizedName))
+		}
+	}
+}

modules/markup/html.go

@@ -852,11 +852,14 @@ func fullIssuePatternProcessor(ctx *RenderContext, node *html.Node) {
 }
 
 func issueIndexPatternProcessor(ctx *RenderContext, node *html.Node) {
-	// FIXME: the use of "mode" is quite dirty and hacky, for example: what is a "document"? how should it be rendered?
+	if ctx.Metas == nil {
-	// The "mode" approach should be refactored to some other more clear&reliable way.
-	if ctx.Metas == nil || (ctx.Metas["mode"] == "document" && !ctx.IsWiki) {
 		return
 	}
+
+	// FIXME: the use of "mode" is quite dirty and hacky, for example: what is a "document"? how should it be rendered?
+	// The "mode" approach should be refactored to some other more clear&reliable way.
+	crossLinkOnly := (ctx.Metas["mode"] == "document" && !ctx.IsWiki)
+
 	var (
 		found bool
 		ref   *references.RenderizableReference
@@ -870,7 +873,7 @@ func issueIndexPatternProcessor(ctx *RenderContext, node *html.Node) {
 		// Repos with external issue trackers might still need to reference local PRs
 		// We need to concern with the first one that shows up in the text, whichever it is
 		isNumericStyle := ctx.Metas["style"] == "" || ctx.Metas["style"] == IssueNameStyleNumeric
-		foundNumeric, refNumeric := references.FindRenderizableReferenceNumeric(node.Data, hasExtTrackFormat && !isNumericStyle)
+		foundNumeric, refNumeric := references.FindRenderizableReferenceNumeric(node.Data, hasExtTrackFormat && !isNumericStyle, crossLinkOnly)
 
 		switch ctx.Metas["style"] {
 		case "", IssueNameStyleNumeric:

modules/markup/html_test.go

@@ -561,11 +561,16 @@ func TestPostProcess_RenderDocument(t *testing.T) {
 		assert.Equal(t, strings.TrimSpace(expected), strings.TrimSpace(res.String()))
 	}
 
-	// Issue index shouldn't be post processing in an document.
+	// Issue index shouldn't be post processing in a document.
 	test(
 		"#1",
 		"#1")
 
+	// But cross-referenced issue index should work.
+	test(
+		"go-gitea/gitea#12345",
+		`<a href="`+util.URLJoin(markup.TestAppURL, "go-gitea", "gitea", "issues", "12345")+`" class="ref-issue">go-gitea/gitea#12345</a>`)
+
 	// Test that other post processing still works.
 	test(
 		":gitea:",

modules/references/references.go

@@ -331,8 +331,11 @@ func FindAllIssueReferences(content string) []IssueReference {
 }
 
 // FindRenderizableReferenceNumeric returns the first unvalidated reference found in a string.
-func FindRenderizableReferenceNumeric(content string, prOnly bool) (bool, *RenderizableReference) {
+func FindRenderizableReferenceNumeric(content string, prOnly, crossLinkOnly bool) (bool, *RenderizableReference) {
-	match := issueNumericPattern.FindStringSubmatchIndex(content)
+	var match []int
+	if !crossLinkOnly {
+		match = issueNumericPattern.FindStringSubmatchIndex(content)
+	}
 	if match == nil {
 		if match = crossReferenceIssueNumericPattern.FindStringSubmatchIndex(content); match == nil {
 			return false, nil

modules/setting/oauth2.go

@@ -21,7 +21,7 @@ const (
 	OAuth2UsernameUserid OAuth2UsernameType = "userid"
 	// OAuth2UsernameNickname oauth2 nickname field will be used as gitea name
 	OAuth2UsernameNickname OAuth2UsernameType = "nickname"
-	// OAuth2UsernameEmail username of oauth2 email filed will be used as gitea name
+	// OAuth2UsernameEmail username of oauth2 email field will be used as gitea name
 	OAuth2UsernameEmail OAuth2UsernameType = "email"
 )
 

options/locale/locale_en-US.ini

@@ -3532,8 +3532,8 @@ runs.actors_no_select = All actors
 runs.status_no_select = All status
 runs.no_results = No results matched.
 runs.no_workflows = There are no workflows yet.
-runs.no_workflows.quick_start = Don't know how to start with Gitea Action? See <a target="_blank" rel="noopener noreferrer" href="%s">the quick start guide</a>.
+runs.no_workflows.quick_start = Don't know how to start with Gitea Actions? See <a target="_blank" rel="noopener noreferrer" href="%s">the quick start guide</a>.
-runs.no_workflows.documentation = For more information on the Gitea Action, see <a target="_blank" rel="noopener noreferrer" href="%s">the documentation</a>.
+runs.no_workflows.documentation = For more information on Gitea Actions, see <a target="_blank" rel="noopener noreferrer" href="%s">the documentation</a>.
 runs.no_runs = The workflow has no runs yet.
 runs.empty_commit_message = (empty commit message)
 
@@ -3552,7 +3552,7 @@ variables.none = There are no variables yet.
 variables.deletion = Remove variable
 variables.deletion.description = Removing a variable is permanent and cannot be undone. Continue?
 variables.description = Variables will be passed to certain actions and cannot be read otherwise.
-variables.id_not_exist = Variable with id %d not exists.
+variables.id_not_exist = Variable with ID %d does not exist.
 variables.edit = Edit Variable
 variables.deletion.failed = Failed to remove variable.
 variables.deletion.success = The variable has been removed.

routers/web/auth/auth.go

@@ -368,14 +368,14 @@ func handleSignInFull(ctx *context.Context, u *user_model.User, remember, obeyRe
 	return setting.AppSubURL + "/"
 }
 
-func getUserName(gothUser *goth.User) string {
+func getUserName(gothUser *goth.User) (string, error) {
 	switch setting.OAuth2Client.Username {
 	case setting.OAuth2UsernameEmail:
-		return strings.Split(gothUser.Email, "@")[0]
+		return user_model.NormalizeUserName(strings.Split(gothUser.Email, "@")[0])
 	case setting.OAuth2UsernameNickname:
-		return gothUser.NickName
+		return user_model.NormalizeUserName(gothUser.NickName)
 	default: // OAuth2UsernameUserid
-		return gothUser.UserID
+		return gothUser.UserID, nil
 	}
 }
 

routers/web/auth/linkaccount.go

@@ -55,7 +55,11 @@ func LinkAccount(ctx *context.Context) {
 	}
 
 	gu, _ := gothUser.(goth.User)
-	uname := getUserName(&gu)
+	uname, err := getUserName(&gu)
+	if err != nil {
+		ctx.ServerError("UserSignIn", err)
+		return
+	}
 	email := gu.Email
 	ctx.Data["user_name"] = uname
 	ctx.Data["email"] = email

routers/web/auth/oauth.go

@@ -970,8 +970,13 @@ func SignInOAuthCallback(ctx *context.Context) {
 				ctx.ServerError("CreateUser", err)
 				return
 			}
+			uname, err := getUserName(&gothUser)
+			if err != nil {
+				ctx.ServerError("UserSignIn", err)
+				return
+			}
 			u = &user_model.User{
-				Name:        getUserName(&gothUser),
+				Name:        uname,
 				FullName:    gothUser.Name,
 				Email:       gothUser.Email,
 				LoginType:   auth.OAuth2,

templates/shared/variables/variable_list.tmpl

@@ -33,7 +33,7 @@
 					{{ctx.Locale.Tr "settings.added_on" (DateTime "short" .CreatedUnix) | Safe}}
 				</span>
 				<button class="btn interact-bg gt-p-3 show-modal"
-					data-tooltip-content="{{ctx.Locale.Tr "variables.edit"}}"
+					data-tooltip-content="{{ctx.Locale.Tr "actions.variables.edit"}}"
 					data-modal="#edit-variable-modal"
 					data-modal-form.action="{{$.Link}}/{{.ID}}/edit"
 					data-modal-header="{{ctx.Locale.Tr "actions.variables.edit"}}"

web_src/css/repo/issue-list.css

@@ -35,6 +35,7 @@
 
 #issue-list .flex-item-title .labels-list {
   display: flex;
+  flex-wrap: wrap;
   gap: 0.25em;
 }
 

web_src/css/repo/wiki.css

@@ -13,7 +13,10 @@
 
 .repository.wiki .markup {
   overflow: visible;
-  min-height: 340px;
+}
+
+.repository.wiki .markup[data-tab-panel="markdown-previewer"] {
+  min-height: 340px; /* This height matches the markdown editor's height */
 }
 
 .repository.wiki .wiki-content-parts .markup {