Adding upstream version 9.0.0.

Signed-off-by: Daniel Baumann <daniel@debian.org>

5 files changed, 406 insertions, 0 deletions

diff --git a/models/forgefed/federationhost.go b/models/forgefed/federationhost.go
new file mode 100644
index 0000000..b60c0c3
--- /dev/null
+++ b/models/forgefed/federationhost.go
@@ -0,0 +1,52 @@
+// Copyright 2024 The Forgejo Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package forgefed
+
+import (
+	"fmt"
+	"strings"
+	"time"
+
+	"code.gitea.io/gitea/modules/timeutil"
+	"code.gitea.io/gitea/modules/validation"
+)
+
+// FederationHost data type
+// swagger:model
+type FederationHost struct {
+	ID             int64              `xorm:"pk autoincr"`
+	HostFqdn       string             `xorm:"host_fqdn UNIQUE INDEX VARCHAR(255) NOT NULL"`
+	NodeInfo       NodeInfo           `xorm:"extends NOT NULL"`
+	LatestActivity time.Time          `xorm:"NOT NULL"`
+	Created        timeutil.TimeStamp `xorm:"created"`
+	Updated        timeutil.TimeStamp `xorm:"updated"`
+}
+
+// Factory function for FederationHost. Created struct is asserted to be valid.
+func NewFederationHost(nodeInfo NodeInfo, hostFqdn string) (FederationHost, error) {
+	result := FederationHost{
+		HostFqdn: strings.ToLower(hostFqdn),
+		NodeInfo: nodeInfo,
+	}
+	if valid, err := validation.IsValid(result); !valid {
+		return FederationHost{}, err
+	}
+	return result, nil
+}
+
+// Validate collects error strings in a slice and returns this
+func (host FederationHost) Validate() []string {
+	var result []string
+	result = append(result, validation.ValidateNotEmpty(host.HostFqdn, "HostFqdn")...)
+	result = append(result, validation.ValidateMaxLen(host.HostFqdn, 255, "HostFqdn")...)
+	result = append(result, host.NodeInfo.Validate()...)
+	if host.HostFqdn != strings.ToLower(host.HostFqdn) {
+		result = append(result, fmt.Sprintf("HostFqdn has to be lower case but was: %v", host.HostFqdn))
+	}
+	if !host.LatestActivity.IsZero() && host.LatestActivity.After(time.Now().Add(10*time.Minute)) {
+		result = append(result, fmt.Sprintf("Latest Activity cannot be in the far future: %v", host.LatestActivity))
+	}
+
+	return result
+}
diff --git a/models/forgefed/federationhost_repository.go b/models/forgefed/federationhost_repository.go
new file mode 100644
index 0000000..03d8741
--- /dev/null
+++ b/models/forgefed/federationhost_repository.go
@@ -0,0 +1,61 @@
+// Copyright 2024 The Forgejo Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package forgefed
+
+import (
+	"context"
+	"fmt"
+	"strings"
+
+	"code.gitea.io/gitea/models/db"
+	"code.gitea.io/gitea/modules/validation"
+)
+
+func init() {
+	db.RegisterModel(new(FederationHost))
+}
+
+func GetFederationHost(ctx context.Context, ID int64) (*FederationHost, error) {
+	host := new(FederationHost)
+	has, err := db.GetEngine(ctx).Where("id=?", ID).Get(host)
+	if err != nil {
+		return nil, err
+	} else if !has {
+		return nil, fmt.Errorf("FederationInfo record %v does not exist", ID)
+	}
+	if res, err := validation.IsValid(host); !res {
+		return nil, err
+	}
+	return host, nil
+}
+
+func FindFederationHostByFqdn(ctx context.Context, fqdn string) (*FederationHost, error) {
+	host := new(FederationHost)
+	has, err := db.GetEngine(ctx).Where("host_fqdn=?", strings.ToLower(fqdn)).Get(host)
+	if err != nil {
+		return nil, err
+	} else if !has {
+		return nil, nil
+	}
+	if res, err := validation.IsValid(host); !res {
+		return nil, err
+	}
+	return host, nil
+}
+
+func CreateFederationHost(ctx context.Context, host *FederationHost) error {
+	if res, err := validation.IsValid(host); !res {
+		return err
+	}
+	_, err := db.GetEngine(ctx).Insert(host)
+	return err
+}
+
+func UpdateFederationHost(ctx context.Context, host *FederationHost) error {
+	if res, err := validation.IsValid(host); !res {
+		return err
+	}
+	_, err := db.GetEngine(ctx).ID(host.ID).Update(host)
+	return err
+}
diff --git a/models/forgefed/federationhost_test.go b/models/forgefed/federationhost_test.go
new file mode 100644
index 0000000..ea5494c
--- /dev/null
+++ b/models/forgefed/federationhost_test.go
@@ -0,0 +1,78 @@
+// Copyright 2024 The Forgejo Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package forgefed
+
+import (
+	"strings"
+	"testing"
+	"time"
+
+	"code.gitea.io/gitea/modules/validation"
+)
+
+func Test_FederationHostValidation(t *testing.T) {
+	sut := FederationHost{
+		HostFqdn: "host.do.main",
+		NodeInfo: NodeInfo{
+			SoftwareName: "forgejo",
+		},
+		LatestActivity: time.Now(),
+	}
+	if res, err := validation.IsValid(sut); !res {
+		t.Errorf("sut should be valid but was %q", err)
+	}
+
+	sut = FederationHost{
+		HostFqdn: "",
+		NodeInfo: NodeInfo{
+			SoftwareName: "forgejo",
+		},
+		LatestActivity: time.Now(),
+	}
+	if res, _ := validation.IsValid(sut); res {
+		t.Errorf("sut should be invalid: HostFqdn empty")
+	}
+
+	sut = FederationHost{
+		HostFqdn: strings.Repeat("fill", 64),
+		NodeInfo: NodeInfo{
+			SoftwareName: "forgejo",
+		},
+		LatestActivity: time.Now(),
+	}
+	if res, _ := validation.IsValid(sut); res {
+		t.Errorf("sut should be invalid: HostFqdn too long (len=256)")
+	}
+
+	sut = FederationHost{
+		HostFqdn:       "host.do.main",
+		NodeInfo:       NodeInfo{},
+		LatestActivity: time.Now(),
+	}
+	if res, _ := validation.IsValid(sut); res {
+		t.Errorf("sut should be invalid: NodeInfo invalid")
+	}
+
+	sut = FederationHost{
+		HostFqdn: "host.do.main",
+		NodeInfo: NodeInfo{
+			SoftwareName: "forgejo",
+		},
+		LatestActivity: time.Now().Add(1 * time.Hour),
+	}
+	if res, _ := validation.IsValid(sut); res {
+		t.Errorf("sut should be invalid: Future timestamp")
+	}
+
+	sut = FederationHost{
+		HostFqdn: "hOst.do.main",
+		NodeInfo: NodeInfo{
+			SoftwareName: "forgejo",
+		},
+		LatestActivity: time.Now(),
+	}
+	if res, _ := validation.IsValid(sut); res {
+		t.Errorf("sut should be invalid: HostFqdn lower case")
+	}
+}
diff --git a/models/forgefed/nodeinfo.go b/models/forgefed/nodeinfo.go
new file mode 100644
index 0000000..66d2eca
--- /dev/null
+++ b/models/forgefed/nodeinfo.go
@@ -0,0 +1,123 @@
+// Copyright 2023 The Forgejo Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package forgefed
+
+import (
+	"net/url"
+
+	"code.gitea.io/gitea/modules/validation"
+
+	"github.com/valyala/fastjson"
+)
+
+// ToDo: Search for full text SourceType and Source, also in .md files
+type (
+	SoftwareNameType string
+)
+
+const (
+	ForgejoSourceType SoftwareNameType = "forgejo"
+	GiteaSourceType   SoftwareNameType = "gitea"
+)
+
+var KnownSourceTypes = []any{
+	ForgejoSourceType, GiteaSourceType,
+}
+
+// ------------------------------------------------ NodeInfoWellKnown ------------------------------------------------
+
+// NodeInfo data type
+// swagger:model
+type NodeInfoWellKnown struct {
+	Href string
+}
+
+// Factory function for NodeInfoWellKnown. Created struct is asserted to be valid.
+func NewNodeInfoWellKnown(body []byte) (NodeInfoWellKnown, error) {
+	result, err := NodeInfoWellKnownUnmarshalJSON(body)
+	if err != nil {
+		return NodeInfoWellKnown{}, err
+	}
+
+	if valid, err := validation.IsValid(result); !valid {
+		return NodeInfoWellKnown{}, err
+	}
+
+	return result, nil
+}
+
+func NodeInfoWellKnownUnmarshalJSON(data []byte) (NodeInfoWellKnown, error) {
+	p := fastjson.Parser{}
+	val, err := p.ParseBytes(data)
+	if err != nil {
+		return NodeInfoWellKnown{}, err
+	}
+	href := string(val.GetStringBytes("links", "0", "href"))
+	return NodeInfoWellKnown{Href: href}, nil
+}
+
+// Validate collects error strings in a slice and returns this
+func (node NodeInfoWellKnown) Validate() []string {
+	var result []string
+	result = append(result, validation.ValidateNotEmpty(node.Href, "Href")...)
+
+	parsedURL, err := url.Parse(node.Href)
+	if err != nil {
+		result = append(result, err.Error())
+		return result
+	}
+
+	if parsedURL.Host == "" {
+		result = append(result, "Href has to be absolute")
+	}
+
+	result = append(result, validation.ValidateOneOf(parsedURL.Scheme, []any{"http", "https"}, "parsedURL.Scheme")...)
+
+	if parsedURL.RawQuery != "" {
+		result = append(result, "Href may not contain query")
+	}
+
+	return result
+}
+
+// ------------------------------------------------ NodeInfo ------------------------------------------------
+
+// NodeInfo data type
+// swagger:model
+type NodeInfo struct {
+	SoftwareName SoftwareNameType
+}
+
+func NodeInfoUnmarshalJSON(data []byte) (NodeInfo, error) {
+	p := fastjson.Parser{}
+	val, err := p.ParseBytes(data)
+	if err != nil {
+		return NodeInfo{}, err
+	}
+	source := string(val.GetStringBytes("software", "name"))
+	result := NodeInfo{}
+	result.SoftwareName = SoftwareNameType(source)
+	return result, nil
+}
+
+func NewNodeInfo(body []byte) (NodeInfo, error) {
+	result, err := NodeInfoUnmarshalJSON(body)
+	if err != nil {
+		return NodeInfo{}, err
+	}
+
+	if valid, err := validation.IsValid(result); !valid {
+		return NodeInfo{}, err
+	}
+	return result, nil
+}
+
+// Validate collects error strings in a slice and returns this
+func (node NodeInfo) Validate() []string {
+	var result []string
+	result = append(result, validation.ValidateNotEmpty(string(node.SoftwareName), "node.SoftwareName")...)
+	result = append(result, validation.ValidateOneOf(node.SoftwareName, KnownSourceTypes, "node.SoftwareName")...)
+
+	return result
+}
diff --git a/models/forgefed/nodeinfo_test.go b/models/forgefed/nodeinfo_test.go
new file mode 100644
index 0000000..4c73bb4
--- /dev/null
+++ b/models/forgefed/nodeinfo_test.go
@@ -0,0 +1,92 @@
+// Copyright 2023 The Forgejo Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package forgefed
+
+import (
+	"fmt"
+	"reflect"
+	"strings"
+	"testing"
+
+	"code.gitea.io/gitea/modules/validation"
+)
+
+func Test_NodeInfoWellKnownUnmarshalJSON(t *testing.T) {
+	type testPair struct {
+		item    []byte
+		want    NodeInfoWellKnown
+		wantErr error
+	}
+
+	tests := map[string]testPair{
+		"with href": {
+			item: []byte(`{"links":[{"href":"https://federated-repo.prod.meissa.de/api/v1/nodeinfo","rel":"http://nodeinfo.diaspora.software/ns/schema/2.1"}]}`),
+			want: NodeInfoWellKnown{
+				Href: "https://federated-repo.prod.meissa.de/api/v1/nodeinfo",
+			},
+		},
+		"empty": {
+			item:    []byte(``),
+			wantErr: fmt.Errorf("cannot parse JSON: cannot parse empty string; unparsed tail: \"\""),
+		},
+	}
+
+	for name, tt := range tests {
+		t.Run(name, func(t *testing.T) {
+			got, err := NodeInfoWellKnownUnmarshalJSON(tt.item)
+			if (err != nil || tt.wantErr != nil) && tt.wantErr.Error() != err.Error() {
+				t.Errorf("UnmarshalJSON() error = \"%v\", wantErr \"%v\"", err, tt.wantErr)
+				return
+			}
+			if !reflect.DeepEqual(got, tt.want) {
+				t.Errorf("UnmarshalJSON() got = %q, want %q", got, tt.want)
+			}
+		})
+	}
+}
+
+func Test_NodeInfoWellKnownValidate(t *testing.T) {
+	sut := NodeInfoWellKnown{Href: "https://federated-repo.prod.meissa.de/api/v1/nodeinfo"}
+	if b, err := validation.IsValid(sut); !b {
+		t.Errorf("sut should be valid, %v, %v", sut, err)
+	}
+
+	sut = NodeInfoWellKnown{Href: "./federated-repo.prod.meissa.de/api/v1/nodeinfo"}
+	_, err := validation.IsValid(sut)
+	if !validation.IsErrNotValid(err) && strings.Contains(err.Error(), "Href has to be absolute\nValue  is not contained in allowed values [http https]") {
+		t.Errorf("validation error expected but was: %v\n", err)
+	}
+
+	sut = NodeInfoWellKnown{Href: "https://federated-repo.prod.meissa.de/api/v1/nodeinfo?alert=1"}
+	_, err = validation.IsValid(sut)
+	if !validation.IsErrNotValid(err) && strings.Contains(err.Error(), "Href has to be absolute\nValue  is not contained in allowed values [http https]") {
+		t.Errorf("sut should be valid, %v, %v", sut, err)
+	}
+}
+
+func Test_NewNodeInfoWellKnown(t *testing.T) {
+	sut, _ := NewNodeInfoWellKnown([]byte(`{"links":[{"href":"https://federated-repo.prod.meissa.de/api/v1/nodeinfo","rel":"http://nodeinfo.diaspora.software/ns/schema/2.1"}]}`))
+	expected := NodeInfoWellKnown{Href: "https://federated-repo.prod.meissa.de/api/v1/nodeinfo"}
+	if sut != expected {
+		t.Errorf("expected was: %v but was: %v", expected, sut)
+	}
+
+	_, err := NewNodeInfoWellKnown([]byte(`invalid`))
+	if err == nil {
+		t.Errorf("error was expected here")
+	}
+}
+
+func Test_NewNodeInfo(t *testing.T) {
+	sut, _ := NewNodeInfo([]byte(`{"version":"2.1","software":{"name":"gitea","version":"1.20.0+dev-2539-g5840cc6d3","repository":"https://github.com/go-gitea/gitea.git","homepage":"https://gitea.io/"},"protocols":["activitypub"],"services":{"inbound":[],"outbound":["rss2.0"]},"openRegistrations":true,"usage":{"users":{"total":13,"activeHalfyear":1,"activeMonth":1}},"metadata":{}}`))
+	expected := NodeInfo{SoftwareName: "gitea"}
+	if sut != expected {
+		t.Errorf("expected was: %v but was: %v", expected, sut)
+	}
+
+	_, err := NewNodeInfo([]byte(`invalid`))
+	if err == nil {
+		t.Errorf("error was expected here")
+	}
+}