mirror of
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72 lines
2.4 KiB
Go
72 lines
2.4 KiB
Go
package twilio
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import (
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"bytes"
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"encoding/base64"
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"fmt"
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"io"
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"net/http"
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"net/url"
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"github.com/TwiN/gatus/v4/alerting/alert"
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"github.com/TwiN/gatus/v4/client"
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"github.com/TwiN/gatus/v4/core"
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)
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// AlertProvider is the configuration necessary for sending an alert using Twilio
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type AlertProvider struct {
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SID string `yaml:"sid"`
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Token string `yaml:"token"`
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From string `yaml:"from"`
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To string `yaml:"to"`
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// DefaultAlert is the default alert configuration to use for endpoints with an alert of the appropriate type
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DefaultAlert *alert.Alert `yaml:"default-alert,omitempty"`
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}
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// IsValid returns whether the provider's configuration is valid
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func (provider *AlertProvider) IsValid() bool {
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return len(provider.Token) > 0 && len(provider.SID) > 0 && len(provider.From) > 0 && len(provider.To) > 0
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}
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// Send an alert using the provider
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func (provider *AlertProvider) Send(endpoint *core.Endpoint, alert *alert.Alert, result *core.Result, resolved bool) error {
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buffer := bytes.NewBuffer([]byte(provider.buildRequestBody(endpoint, alert, result, resolved)))
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request, err := http.NewRequest(http.MethodPost, fmt.Sprintf("https://api.twilio.com/2010-04-01/Accounts/%s/Messages.json", provider.SID), buffer)
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if err != nil {
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return err
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}
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request.Header.Set("Content-Type", "application/x-www-form-urlencoded")
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request.Header.Set("Authorization", fmt.Sprintf("Basic %s", base64.StdEncoding.EncodeToString([]byte(provider.SID+":"+provider.Token))))
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response, err := client.GetHTTPClient(nil).Do(request)
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if err != nil {
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return err
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}
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defer response.Body.Close()
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if response.StatusCode > 399 {
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body, _ := io.ReadAll(response.Body)
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return fmt.Errorf("call to provider alert returned status code %d: %s", response.StatusCode, string(body))
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}
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return err
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}
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// buildRequestBody builds the request body for the provider
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func (provider *AlertProvider) buildRequestBody(endpoint *core.Endpoint, alert *alert.Alert, result *core.Result, resolved bool) string {
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var message string
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if resolved {
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message = fmt.Sprintf("RESOLVED: %s - %s", endpoint.DisplayName(), alert.GetDescription())
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} else {
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message = fmt.Sprintf("TRIGGERED: %s - %s", endpoint.DisplayName(), alert.GetDescription())
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}
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return url.Values{
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"To": {provider.To},
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"From": {provider.From},
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"Body": {message},
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}.Encode()
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}
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// GetDefaultAlert returns the provider's default alert configuration
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func (provider AlertProvider) GetDefaultAlert() *alert.Alert {
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return provider.DefaultAlert
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}
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