add skip_tls_verify option for exchange rates

conf/ezbookkeeping.ini

@@ -200,3 +200,6 @@ data_source = euro_central_bank
 
 # Requesting exchange rates data timeout (0 - 4294967295 milliseconds), default is 10000 (10 seconds)
 request_timeout = 10000
+
+# Set to true skip tls verification when request exchange rates data
+skip_tls_verify = false

pkg/api/exchange_rates.go

@@ -1,6 +1,7 @@
 package api
 
 import (
+	"crypto/tls"
 	"io"
 	"net/http"
 	"sort"
@@ -32,8 +33,17 @@ func (a *ExchangeRatesApi) LatestExchangeRateHandler(c *core.Context) (interface
 
 	uid := c.GetCurrentUid()
 
+	transport := http.DefaultTransport.(*http.Transport).Clone()
+
+	if settings.Container.Current.ExchangeRatesSkipTLSVerify {
+		transport.TLSClientConfig = &tls.Config{
+			InsecureSkipVerify: true,
+		}
+	}
+
 	client := &http.Client{
-		Timeout: time.Duration(settings.Container.Current.ExchangeRatesRequestTimeout) * time.Millisecond,
+		Transport: transport,
+		Timeout:   time.Duration(settings.Container.Current.ExchangeRatesRequestTimeout) * time.Millisecond,
 	}
 
 	urls := dataSource.GetRequestUrls()

pkg/settings/setting.go

@@ -232,6 +232,7 @@ type Config struct {
 	// Exchange Rates
 	ExchangeRatesDataSource     string
 	ExchangeRatesRequestTimeout uint32
+	ExchangeRatesSkipTLSVerify  bool
 }
 
 // LoadConfiguration loads setting config from given config file path
@@ -590,6 +591,7 @@ func loadExchangeRatesConfiguration(config *Config, configFile *ini.File, sectio
 	}
 
 	config.ExchangeRatesRequestTimeout = getConfigItemUint32Value(configFile, sectionName, "request_timeout", defaultExchangeRatesDataRequestTimeout)
+	config.ExchangeRatesSkipTLSVerify = getConfigItemBoolValue(configFile, sectionName, "skip_tls_verify", false)
 
 	return nil
 }