viye/internal/plumbing/http/http.go (view raw)
| 1 | package http |
| 2 | |
| 3 | import ( |
| 4 | "context" |
| 5 | "errors" |
| 6 | "fmt" |
| 7 | "io" |
| 8 | "net/http" |
| 9 | "strings" |
| 10 | "time" |
| 11 | |
| 12 | "github.com/olexsmir/viye/internal/viye" |
| 13 | ) |
| 14 | |
| 15 | // get http://localhost |
| 16 | // : Header: Value |
| 17 | // : Header2: value |
| 18 | // : {"json": "body"} |
| 19 | |
| 20 | const timeout = 5 * time.Second |
| 21 | |
| 22 | type Tool struct{} |
| 23 | |
| 24 | func (Tool) Name() string { return "http(get, post, put, patch, delete)" } |
| 25 | func (Tool) Match(c *viye.Context) bool { |
| 26 | return (c.Cmd == "get" || c.Cmd == "post" || c.Cmd == "put" || c.Cmd == "patch" || c.Cmd == "delete") |
| 27 | } |
| 28 | |
| 29 | func (Tool) Execute(c *viye.Context) (string, error) { |
| 30 | if len(c.Args) < 1 || !isURL(c.Args[0]) { |
| 31 | return "", errors.New("please provide an url") |
| 32 | } |
| 33 | |
| 34 | headers, body, err := parseBody(viye.ParseData(c.Body)) |
| 35 | if err != nil { |
| 36 | return "", fmt.Errorf("body parsing error: %v", err) |
| 37 | } |
| 38 | |
| 39 | ctx, cancel := context.WithTimeout(context.Background(), timeout) |
| 40 | defer cancel() |
| 41 | |
| 42 | req, err := http.NewRequestWithContext(ctx, cmdToMethod(c.Cmd), c.Args[0], strings.NewReader(body)) |
| 43 | if err != nil { |
| 44 | return "", fmt.Errorf("failed to create request: %v", err) |
| 45 | } |
| 46 | for header, value := range headers { |
| 47 | req.Header.Set(header, value) |
| 48 | } |
| 49 | |
| 50 | resp, err := (&http.Client{Timeout: timeout}).Do(req) |
| 51 | if err != nil { |
| 52 | return "", fmt.Errorf("failed to make a request: %v", err) |
| 53 | } |
| 54 | |
| 55 | respBody, _ := io.ReadAll(resp.Body) |
| 56 | out := fmt.Sprintf("%d\t%s", resp.StatusCode, respBody) |
| 57 | return viye.FormatOutput(out), nil |
| 58 | } |
| 59 | |
| 60 | func parseBody(inp []string) (headers map[string]string, body string, err error) { |
| 61 | if len(inp) == 0 { |
| 62 | return nil, "", nil |
| 63 | } |
| 64 | headers = make(map[string]string) |
| 65 | |
| 66 | for _, line := range inp { |
| 67 | key, val, ok := strings.Cut(line, ": ") |
| 68 | if ok { |
| 69 | headers[key] = val |
| 70 | } |
| 71 | } |
| 72 | |
| 73 | last := inp[len(inp)-1] |
| 74 | if _, _, ok := strings.Cut(last, ": "); !ok { |
| 75 | body = last |
| 76 | } |
| 77 | |
| 78 | return headers, body, nil |
| 79 | } |
| 80 | |
| 81 | func isURL(u string) bool { |
| 82 | return strings.HasPrefix(u, "http://") || strings.HasPrefix(u, "https://") |
| 83 | } |
| 84 | |
| 85 | func cmdToMethod(c string) string { |
| 86 | switch c { |
| 87 | case "get": |
| 88 | return http.MethodGet |
| 89 | case "post": |
| 90 | return http.MethodPost |
| 91 | case "put": |
| 92 | return http.MethodPut |
| 93 | case "patch": |
| 94 | return http.MethodPatch |
| 95 | case "delete": |
| 96 | return http.MethodDelete |
| 97 | default: |
| 98 | panic("unreachable") |
| 99 | } |
| 100 | } |