154 lines
3.7 KiB
Go
154 lines
3.7 KiB
Go
package slack
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import (
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"context"
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"fmt"
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"log"
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"net/http"
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"net/url"
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"os"
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)
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const (
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// APIURL of the slack api.
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APIURL = "https://slack.com/api/"
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// WEBAPIURLFormat ...
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WEBAPIURLFormat = "https://%s.slack.com/api/users.admin.%s?t=%d"
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)
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// httpClient defines the minimal interface needed for an http.Client to be implemented.
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type httpClient interface {
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Do(*http.Request) (*http.Response, error)
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}
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// ResponseMetadata holds pagination metadata
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type ResponseMetadata struct {
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Cursor string `json:"next_cursor"`
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}
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func (t *ResponseMetadata) initialize() *ResponseMetadata {
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if t != nil {
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return t
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}
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return &ResponseMetadata{}
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}
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// AuthTestResponse ...
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type AuthTestResponse struct {
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URL string `json:"url"`
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Team string `json:"team"`
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User string `json:"user"`
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TeamID string `json:"team_id"`
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UserID string `json:"user_id"`
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// EnterpriseID is only returned when an enterprise id present
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EnterpriseID string `json:"enterprise_id,omitempty"`
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}
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type authTestResponseFull struct {
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SlackResponse
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AuthTestResponse
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}
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// Client for the slack api.
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type ParamOption func(*url.Values)
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type Client struct {
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token string
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endpoint string
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debug bool
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log ilogger
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httpclient httpClient
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}
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// Option defines an option for a Client
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type Option func(*Client)
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// OptionHTTPClient - provide a custom http client to the slack client.
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func OptionHTTPClient(client httpClient) func(*Client) {
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return func(c *Client) {
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c.httpclient = client
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}
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}
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// OptionDebug enable debugging for the client
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func OptionDebug(b bool) func(*Client) {
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return func(c *Client) {
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c.debug = b
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}
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}
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// OptionLog set logging for client.
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func OptionLog(l logger) func(*Client) {
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return func(c *Client) {
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c.log = internalLog{logger: l}
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}
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}
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// OptionAPIURL set the url for the client. only useful for testing.
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func OptionAPIURL(u string) func(*Client) {
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return func(c *Client) { c.endpoint = u }
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}
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// New builds a slack client from the provided token and options.
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func New(token string, options ...Option) *Client {
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s := &Client{
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token: token,
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endpoint: APIURL,
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httpclient: &http.Client{},
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log: log.New(os.Stderr, "nlopes/slack", log.LstdFlags|log.Lshortfile),
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}
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for _, opt := range options {
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opt(s)
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}
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return s
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}
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// AuthTest tests if the user is able to do authenticated requests or not
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func (api *Client) AuthTest() (response *AuthTestResponse, error error) {
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return api.AuthTestContext(context.Background())
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}
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// AuthTestContext tests if the user is able to do authenticated requests or not with a custom context
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func (api *Client) AuthTestContext(ctx context.Context) (response *AuthTestResponse, err error) {
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api.Debugf("Challenging auth...")
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responseFull := &authTestResponseFull{}
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err = api.postMethod(ctx, "auth.test", url.Values{"token": {api.token}}, responseFull)
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if err != nil {
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return nil, err
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}
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return &responseFull.AuthTestResponse, responseFull.Err()
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}
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// Debugf print a formatted debug line.
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func (api *Client) Debugf(format string, v ...interface{}) {
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if api.debug {
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api.log.Output(2, fmt.Sprintf(format, v...))
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}
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}
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// Debugln print a debug line.
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func (api *Client) Debugln(v ...interface{}) {
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if api.debug {
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api.log.Output(2, fmt.Sprintln(v...))
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}
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}
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// Debug returns if debug is enabled.
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func (api *Client) Debug() bool {
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return api.debug
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}
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// post to a slack web method.
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func (api *Client) postMethod(ctx context.Context, path string, values url.Values, intf interface{}) error {
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return postForm(ctx, api.httpclient, api.endpoint+path, values, intf, api)
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}
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// get a slack web method.
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func (api *Client) getMethod(ctx context.Context, path string, values url.Values, intf interface{}) error {
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return getResource(ctx, api.httpclient, api.endpoint+path, values, intf, api)
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}
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