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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,42 @@ | ||
| package cmd | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "os" | ||
|
|
||
| "github.com/cuducos/minha-receita/mirror" | ||
| "github.com/spf13/cobra" | ||
| ) | ||
|
|
||
| const mirrorHelper = ` | ||
| Mirror of CNPJ files from the Federal Revenue. | ||
| Minha Receita maintains a mirror of data from the Federal Revenue CNPJ, in | ||
| addition to the executables. This is the wbe interface for the bucket of these | ||
| files.` | ||
|
|
||
| var mirrorCmd = &cobra.Command{ | ||
| Use: "mirror", | ||
| Long: mirrorHelper, | ||
| Short: "Starts the files mirror web interface.", | ||
| RunE: func(_ *cobra.Command, _ []string) error { | ||
| if port == "" { | ||
| port = os.Getenv("PORT") | ||
| } | ||
| if port == "" { | ||
| port = defaultPort | ||
| } | ||
| return mirror.Mirror(port) | ||
| }, | ||
| } | ||
|
|
||
| func mirrorCLI() *cobra.Command { | ||
| mirrorCmd.Flags().StringVarP( | ||
| &port, | ||
| "port", | ||
| "p", | ||
| "", | ||
| fmt.Sprintf("web server port (default PORT environment variable or %s)", defaultPort), | ||
| ) | ||
| return mirrorCmd | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,112 @@ | ||
| package mirror | ||
|
|
||
| import ( | ||
| "bytes" | ||
| "encoding/json" | ||
| "fmt" | ||
| "html/template" | ||
| "time" | ||
| _ "embed" | ||
|
|
||
| "github.com/aws/aws-sdk-go/aws" | ||
| "github.com/aws/aws-sdk-go/aws/credentials" | ||
| "github.com/aws/aws-sdk-go/aws/session" | ||
| "github.com/aws/aws-sdk-go/service/s3" | ||
| ) | ||
|
|
||
| const ( | ||
| cacheExpiration = 12 * time.Hour | ||
| ) | ||
|
|
||
| //go:embed index.html | ||
| var home string | ||
| type Cache struct { | ||
| settings settings | ||
| createdAt time.Time | ||
| template *template.Template | ||
| HTML []byte | ||
| JSON []byte | ||
| } | ||
|
|
||
| func (c *Cache) isExpired() bool { | ||
| return time.Since(c.createdAt) > cacheExpiration | ||
| } | ||
|
|
||
| type JSONResponse struct { | ||
| Data []Group `json:"data"` | ||
| } | ||
|
|
||
| func (c *Cache) refresh() error { | ||
| var fs []File | ||
| sess, err := session.NewSession(&aws.Config{ | ||
| Region: aws.String(c.settings.region), | ||
| Endpoint: aws.String(c.settings.endpointURL), | ||
| S3ForcePathStyle: aws.Bool(true), | ||
| Credentials: credentials.NewStaticCredentials( | ||
| c.settings.accessKey, | ||
| c.settings.secretAccessKey, | ||
| "", | ||
| ), | ||
| }) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| var token *string | ||
| loadPage := func(t *string) ([]File, *string, error) { | ||
| var fs []File | ||
| sdk := s3.New(sess) | ||
| r, err := sdk.ListObjectsV2(&s3.ListObjectsV2Input{ | ||
| Bucket: aws.String(c.settings.bucket), | ||
| ContinuationToken: t, | ||
| }) | ||
| if err != nil { | ||
| return []File{}, nil, err | ||
| } | ||
| for _, obj := range r.Contents { | ||
| url := fmt.Sprintf("%s%s", c.settings.publicDomain, *obj.Key) | ||
| fs = append(fs, File{url, *obj.Size, *obj.Key, *obj.LastModified}) | ||
| } | ||
| if *r.IsTruncated { | ||
| return fs, r.NextContinuationToken, nil | ||
| } | ||
| return fs, nil, nil | ||
| } | ||
| for { | ||
| r, nxt, err := loadPage(token) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| fs = append(fs, r...) | ||
| if nxt == nil { | ||
| break | ||
| } | ||
| token = nxt | ||
| } | ||
|
|
||
| data := newGroups(fs) | ||
| var h bytes.Buffer | ||
| c.template.Execute(&h, data) | ||
| c.HTML = h.Bytes() | ||
|
|
||
| var j bytes.Buffer | ||
| if err := json.NewEncoder(&j).Encode(JSONResponse{data}); err != nil { | ||
| return err | ||
| } | ||
| c.JSON = j.Bytes() | ||
|
|
||
| c.createdAt = time.Now() | ||
| return nil | ||
| } | ||
|
|
||
| func newCache(s settings) (*Cache, error) { | ||
| t, err := template.New("home").Parse(home) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| c := Cache{s, time.Now(), t, []byte{}, []byte{}} | ||
| if err := c.refresh(); err != nil { | ||
| return nil, err | ||
| } | ||
| return &c, nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,65 @@ | ||
| package mirror | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "sort" | ||
| "strings" | ||
| "time" | ||
| ) | ||
|
|
||
| const unit = 1024 | ||
|
|
||
| type File struct { | ||
| URL string `json:"url"` | ||
| Size int64 `json:"size"` | ||
| name string | ||
| lastModifiedAt time.Time | ||
| } | ||
|
|
||
| func (f *File) HumanReadableSize() string { | ||
| if f.Size < unit { | ||
| return fmt.Sprintf("%d B", f.Size) | ||
| } | ||
| div, exp := int64(unit), 0 | ||
| for n := f.Size / unit; n >= unit; n /= unit { | ||
| div *= unit | ||
| exp++ | ||
| } | ||
| return fmt.Sprintf("%.1f %cB", float64(f.Size)/float64(div), "KMGTPE"[exp]) | ||
| } | ||
|
|
||
| func (f *File) ShortName() string { | ||
| p := strings.Split(f.name, "/") | ||
| return p[len(p)-1] | ||
| } | ||
|
|
||
| func (f *File) group() string { | ||
| p := strings.Split(f.name, "/") | ||
| if len(p) == 1 { | ||
| return "Binários" | ||
| } | ||
| return p[0] | ||
| } | ||
|
|
||
| type Group struct { | ||
| Name string `json:"name"` | ||
| Files []File `json:"urls"` | ||
| } | ||
|
|
||
| func newGroups(fs []File) []Group { | ||
| var m = make(map[string][]File) | ||
| for _, f := range fs { | ||
| n := f.group() | ||
| m[n] = append(m[n], f) | ||
| } | ||
| ks := []string{} | ||
| for k := range m { | ||
| ks = append(ks, k) | ||
| } | ||
| sort.Sort(sort.Reverse(sort.StringSlice(ks))) | ||
| var gs []Group | ||
| for _, k := range ks { | ||
| gs = append(gs, Group{k, m[k]}) | ||
| } | ||
| return gs | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,58 @@ | ||
| <!DOCTYPE html> | ||
| <html lang="pt-BR"> | ||
| <head> | ||
| <meta charset="UTF-8"> | ||
| <meta name="viewport" content="width=device-width, initial-scale=1"> | ||
| <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/semantic-ui/dist/semantic.min.css"> | ||
| <script src="https://code.jquery.com/jquery-3.6.0.min.js"></script> | ||
| <script src="https://cdn.jsdelivr.net/npm/semantic-ui/dist/semantic.min.js"></script> | ||
| <title>Espelho de dados — Minha Receita</title> | ||
| </head> | ||
| <body> | ||
| <div class="ui container"> | ||
| <h1 class="ui center aligned header"> | ||
| <img alt="Minha Receita" src="https://docs.minhareceita.org/minha-receita.svg" style="width: auto; height: 7rem; margin: 2rem 0"><br> | ||
| Espelho de Dados | ||
| </h1> | ||
| <div class="ui accordion"> | ||
| {{ range . }} | ||
| <div class="title"> | ||
| <i class="dropdown icon"></i> | ||
| {{ .Name }} | ||
| </div> | ||
| <div class="content"> | ||
| <table class="ui single line table"> | ||
| <thead> | ||
| <tr> | ||
| <th>Name</th> | ||
| <th>Size</th> | ||
| </tr> | ||
| </thead> | ||
| <tbody> | ||
| {{ range .Files }} | ||
| <tr> | ||
| <td><a href="{{ .URL }}">{{ .ShortName }}</a></td> | ||
| <td>{{ .HumanReadableSize }}</td> | ||
| </tr> | ||
| {{ end }} | ||
| </tbody> | ||
| </table> | ||
| </div> | ||
| {{ end }} | ||
| </div> | ||
| <div class="ui divider"></div> | ||
| <div> | ||
| <p class="right aligned"> | ||
| <i class="github icon"></i> | ||
| Código-fonte: | ||
| <a href="https://github.com/cuducos/minha-receita">Minha Receita</a> | ||
| </p> | ||
| </div> | ||
| </div> | ||
| <script> | ||
| $(document).ready(function(){ | ||
| $('.ui.accordion').accordion(); | ||
| }); | ||
| </script> | ||
| </body> | ||
| </html> |
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