init

raindrop/api.go

@@ -0,0 +1,42 @@
+package raindrop
+
+import (
+	"fmt"
+	"io"
+	"net/http"
+	"net/url"
+)
+
+func (c *Client) MakeApiRequest(method string, path string, body io.Reader, params url.Values) ([]byte, error, int) {
+	u, err := url.Parse(c.getApiURL(path))
+	if err != nil {
+		return nil, fmt.Errorf("failed to parse url: %v", err), 500
+	}
+	u.RawQuery = params.Encode()
+
+	req, err := http.NewRequest(method, u.String(), body)
+	if err != nil {
+		return nil, fmt.Errorf("failed to create request: %v", err), 500
+	}
+
+	if c.token != nil {
+		req.Header.Set("Authorization", c.token.Type+" "+c.token.Value)
+	}
+
+	resp, err := http.DefaultClient.Do(req)
+	if err != nil {
+		return nil, fmt.Errorf("failed to send request: %v", err), resp.StatusCode
+	}
+	defer resp.Body.Close()
+
+	data, err := io.ReadAll(resp.Body)
+	if err != nil {
+		return nil, fmt.Errorf("failed to read data from response: %v", err), 500
+	}
+
+	if resp.StatusCode >= 400 {
+		return data, fmt.Errorf("response failed with status %s", resp.Status), resp.StatusCode
+	}
+
+	return data, nil, resp.StatusCode
+}

raindrop/auth.go

@@ -0,0 +1,68 @@
+package raindrop
+
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+	"net/http"
+	"net/url"
+)
+
+func (c *Client) OauthRedirect(w http.ResponseWriter, r *http.Request) {
+	authUrl, _ := url.Parse("https://raindrop.io/oauth/authorize")
+	params := url.Values{}
+	params.Set("redirect_uri", c.config.RedirectURI)
+	params.Set("client_id", c.config.ClientId)
+	params.Set("response_type", "code")
+	authUrl.RawQuery = params.Encode()
+
+	http.Redirect(w, r, authUrl.String(), http.StatusFound)
+}
+
+type TokensResponse struct {
+	AccessToken  string `json:"access_token"`
+	RefreshToken string `json:"refresh_token"`
+	TokenType    string `json:"token_type"`
+	// token lifetime in seconds
+	ExpiresIn int `json:"expires_in"`
+}
+
+func (c *Client) ExchangeOauthCode(code string) (*TokensResponse, error) {
+	body := struct {
+		GrantType    string `json:"grant_type"`
+		Code         string `json:"code"`
+		ClientId     string `json:"client_id"`
+		ClientSecret string `json:"client_secret"`
+		RedirectURI  string `json:"redirect_uri"`
+	}{
+		GrantType:    "authorization_code",
+		Code:         code,
+		ClientId:     c.config.ClientId,
+		ClientSecret: c.config.ClientSecret,
+		RedirectURI:  c.config.RedirectURI,
+	}
+	data, err := json.Marshal(body)
+	if err != nil {
+		return nil, fmt.Errorf("failed to encode data to send in request: %v", err)
+	}
+
+	resp, err := http.Post("https://raindrop.io/oauth/access_token", "application/json", bytes.NewReader(data))
+	if err != nil {
+		return nil, fmt.Errorf("failed to send request to raindrop api: %v", err)
+	}
+	defer resp.Body.Close()
+
+	response := &TokensResponse{}
+	if err := json.NewDecoder(resp.Body).Decode(response); err != nil {
+		return nil, fmt.Errorf("failed to decode response from raindrop api: %v", err)
+	}
+
+	return response, nil
+}
+
+func (c *Client) SetApiToken(tokenType string, value string) {
+	c.token = &ApiToken{
+		Type:  tokenType,
+		Value: value,
+	}
+}

raindrop/client.go

@@ -0,0 +1,36 @@
+package raindrop
+
+import "fmt"
+
+type ClientConfig struct {
+	ClientId     string
+	ClientSecret string
+	RedirectURI  string
+}
+
+type ApiToken struct {
+	Type  string
+	Value string
+}
+
+type Client struct {
+	config ClientConfig
+	token  *ApiToken
+}
+
+func NewClient(config ClientConfig) (*Client, error) {
+	if config.ClientId == "" || config.ClientSecret == "" || config.RedirectURI == "" {
+		return nil, fmt.Errorf("some environment variables missing")
+	}
+	return &Client{
+		config: config,
+	}, nil
+}
+
+func (c *Client) baseURL() string {
+	return "https://api.raindrop.io/rest/v1"
+}
+
+func (c *Client) getApiURL(path string) string {
+	return c.baseURL() + path
+}