feat: artifacts client

client.go

@@ -2,16 +2,25 @@ package sdk
 
 import (
 	"fmt"
+	"mime"
 	"net/http"
 	"net/url"
+	"strings"
 )
 
+// NewClient returns an HTTP client that resolves relative request URLs against
+// base and sets the Authorization header to "Bearer token" on every request.
+func NewClient(base, token string) *Client {
+	return &Client{
+		Client: &http.Client{},
+		base:   base,
+		token:  fmt.Sprintf("Bearer %s", token),
+	}
+}
+
 func (a *Action) Client() *Client {
-	c := &Client{Client: &http.Client{}}
 	context := a.Context()
-	c.base = context.APIURL
-	c.token = fmt.Sprintf("Bearer %s", context.Token)
-	return c
+	return NewClient(context.APIURL, context.Token)
 }
 
 type Client struct {
@@ -31,3 +40,23 @@ func (c *Client) Do(req *http.Request) (*http.Response, error) {
 	}
 	return c.Client.Do(req)
 }
+
+// HasContentType reports whether the response content-type matches the given
+// media type. An empty content-type is treated as application/octet-stream.
+func HasContentType(r *http.Response, mimetype string) bool {
+	contentType := r.Header.Get("content-type")
+	if contentType == "" {
+		return mimetype == "application/octet-stream"
+	}
+
+	for _, v := range strings.Split(contentType, ",") {
+		t, _, err := mime.ParseMediaType(v)
+		if err != nil {
+			break
+		}
+		if t == mimetype {
+			return true
+		}
+	}
+	return false
+}