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author | Joram Wilander <jwawilander@gmail.com> | 2017-09-01 09:00:27 -0400 |
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committer | GitHub <noreply@github.com> | 2017-09-01 09:00:27 -0400 |
commit | 899ab31fff9b34bc125faf75b79a89e390deb2cf (patch) | |
tree | 41dc5832268504e54a0b2188eedcf89b7828dd12 /model/manifest.go | |
parent | 74b5e52c4eb54000dcb5a7b46c0977d732bce80f (diff) | |
download | chat-899ab31fff9b34bc125faf75b79a89e390deb2cf.tar.gz chat-899ab31fff9b34bc125faf75b79a89e390deb2cf.tar.bz2 chat-899ab31fff9b34bc125faf75b79a89e390deb2cf.zip |
Implement experimental REST API endpoints for plugins (#7279)
* Implement experimental REST API endpoints for plugins
* Updates per feedback and rebase
* Update tests
* Further updates
* Update extraction of plugins
* Use OS temp dir for plugins instead of search path
* Fail extraction on paths that attempt to traverse upward
* Update pluginenv ActivePlugins()
Diffstat (limited to 'model/manifest.go')
-rw-r--r-- | model/manifest.go | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/model/manifest.go b/model/manifest.go new file mode 100644 index 000000000..e61ccc8ad --- /dev/null +++ b/model/manifest.go @@ -0,0 +1,118 @@ +package model + +import ( + "encoding/json" + "io" + "io/ioutil" + "os" + "path/filepath" + + "gopkg.in/yaml.v2" +) + +type Manifest struct { + Id string `json:"id" yaml:"id"` + Name string `json:"name" yaml:"name"` + Description string `json:"description" yaml:"description"` + Backend *ManifestBackend `json:"backend,omitempty" yaml:"backend,omitempty"` + Webapp *ManifestWebapp `json:"webapp,omitempty" yaml:"webapp,omitempty"` +} + +type ManifestBackend struct { + Executable string `json:"executable" yaml:"executable"` +} + +type ManifestWebapp struct { + BundlePath string `json:"bundle_path" yaml:"bundle_path"` +} + +func (m *Manifest) ToJson() string { + b, err := json.Marshal(m) + if err != nil { + return "" + } else { + return string(b) + } +} + +func ManifestListToJson(m []*Manifest) string { + b, err := json.Marshal(m) + if err != nil { + return "" + } else { + return string(b) + } +} + +func ManifestFromJson(data io.Reader) *Manifest { + decoder := json.NewDecoder(data) + var m Manifest + err := decoder.Decode(&m) + if err == nil { + return &m + } else { + return nil + } +} + +func ManifestListFromJson(data io.Reader) []*Manifest { + decoder := json.NewDecoder(data) + var manifests []*Manifest + err := decoder.Decode(&manifests) + if err == nil { + return manifests + } else { + return nil + } +} + +// FindManifest will find and parse the manifest in a given directory. +// +// In all cases other than a does-not-exist error, path is set to the path of the manifest file that was +// found. +// +// Manifests are JSON or YAML files named plugin.json, plugin.yaml, or plugin.yml. +func FindManifest(dir string) (manifest *Manifest, path string, err error) { + for _, name := range []string{"plugin.yml", "plugin.yaml"} { + path = filepath.Join(dir, name) + f, ferr := os.Open(path) + if ferr != nil { + if !os.IsNotExist(ferr) { + err = ferr + return + } + continue + } + b, ioerr := ioutil.ReadAll(f) + f.Close() + if ioerr != nil { + err = ioerr + return + } + var parsed Manifest + err = yaml.Unmarshal(b, &parsed) + if err != nil { + return + } + manifest = &parsed + return + } + + path = filepath.Join(dir, "plugin.json") + f, ferr := os.Open(path) + if ferr != nil { + if os.IsNotExist(ferr) { + path = "" + } + err = ferr + return + } + defer f.Close() + var parsed Manifest + err = json.NewDecoder(f).Decode(&parsed) + if err != nil { + return + } + manifest = &parsed + return +} |