add config storage

Dockerfile

@@ -12,5 +12,7 @@ RUN set -ex \
 
 EXPOSE 3000
 
+VOLUME ["/config"]
+
 ENTRYPOINT ["/go/bin/badge-gen"]
-CMD ["--"]
+CMD ["--config", "/config/config.yaml"]

app.go

@@ -5,14 +5,18 @@ import (
 	"crypto/sha1"
 	"errors"
 	"fmt"
+	"io/ioutil"
 	"log"
 	"net/http"
 	"net/url"
+	"os"
 	"sort"
 	"strings"
 	"text/template"
 	"time"
 
+	"gopkg.in/yaml.v2"
+
 	"golang.org/x/net/context"
 
 	"github.com/Luzifer/badge-gen/cache"
@@ -29,13 +33,17 @@ const (
 
 var (
 	cfg = struct {
-		Port   int64  `env:"PORT"`
-		Listen string `flag:"listen" default:":3000" description:"Port/IP to listen on"`
-		Cache  string `flag:"cache" default:"mem://" description:"Where to cache query results from thirdparty APIs"`
+		Port        int64  `env:"PORT"`
+		Listen      string `flag:"listen" default:":3000" description:"Port/IP to listen on"`
+		Cache       string `flag:"cache" default:"mem://" description:"Where to cache query results from thirdparty APIs"`
+		ConfStorage string `flag:"config" default:"config.yaml" description:"Configuration store"`
 	}{}
+
 	serviceHandlers = map[string]serviceHandler{}
 	version         = "dev"
-	cacheStore      cache.Cache
+
+	cacheStore  cache.Cache
+	configStore = configStorage{}
 )
 
 type serviceHandlerDocumentation struct {
@@ -82,6 +90,13 @@ func main() {
 		log.Fatalf("Unable to open cache: %s", err)
 	}
 
+	if _, err := os.Stat(cfg.ConfStorage); err == nil {
+		rawConfig, _ := ioutil.ReadFile(cfg.ConfStorage)
+		if err := yaml.Unmarshal(rawConfig, &configStore); err != nil {
+			log.Fatalf("Unable to parse config: %s", err)
+		}
+	}
+
 	r := mux.NewRouter()
 	r.HandleFunc("/v1/badge", generateBadge).Methods("GET")
 	r.HandleFunc("/{service}/{parameters:.*}", generateServiceBadge).Methods("GET")

configStore.go

@@ -0,0 +1,31 @@
+package main
+
+type configStorage map[string]interface{}
+
+func (c configStorage) Str(name string) string {
+	v, ok := c[name]
+
+	if !ok {
+		return ""
+	}
+
+	if sv, ok := v.(string); ok {
+		return sv
+	}
+
+	return ""
+}
+
+func (c configStorage) Int64(name string) int64 {
+	v, ok := c[name]
+
+	if !ok {
+		return 0
+	}
+
+	if sv, ok := v.(int64); ok {
+		return sv
+	}
+
+	return 0
+}

service_github.go

@@ -52,6 +52,10 @@ func (g githubServiceHandler) handleLicense(ctx context.Context, params []string
 		req, _ := http.NewRequest("GET", "https://api.github.com/"+path, nil)
 		req.Header.Set("Accept", "application/vnd.github.drax-preview+json")
 
+		if configStore.Str("github.personal_token") != "" {
+			req.SetBasicAuth(configStore.Str("github.username"), configStore.Str("github.personal_token"))
+		}
+
 		var resp *http.Response
 		resp, err = ctxhttp.Do(ctx, http.DefaultClient, req)
 		if err != nil {