add env variables to ignore download of attachments and stories in json-rpc mode

see #723

Author: bbernhard

README.md

@@ -150,3 +150,6 @@ There are a bunch of environmental variables that can be set inside the docker c
 * `DEFAULT_SIGNAL_TEXT_MODE`: Allows to set the default text mode that should be used when sending a message (supported values: `normal`, `styled`). The setting is only used in case the `text_mode` is not explicitly set in the payload of the `send` method.
 
 * `LOG_LEVEL`: Allows to set the log level. Supported values: `debug`, `info`, `warn`, `error`. If nothing is specified, it defaults to `info`.
+
+* `JSON_RPC_IGNORE_ATTACHMENTS`: When set to `true`, attachments are not automatically downloaded in json-rpc mode (default: `false`)
+* `JSON_RPC_IGNORE_STORIES`: When set to `true`, stories are not automatically downloaded in json-rpc mode (default: `false`)

src/scripts/jsonrpc2-helper.go

@@ -13,7 +13,7 @@ import (
 const supervisorctlConfigTemplate = `
 [program:%s]
 process_name=%s
-command=bash -c "nc -l -p %d <%s | signal-cli --output=json --config %s jsonRpc >%s"
+command=bash -c "nc -l -p %d <%s | signal-cli --output=json --config %s jsonRpc%s%s >%s"
 autostart=true
 autorestart=true
 startretries=10
@@ -58,6 +58,18 @@ func main() {
 		log.Fatal("Couldn't change permissions of fifo with name ", fifoPathname, ": ", err.Error())
 	}
 
+	signalCliIgnoreAttachments := ""
+	ignoreAttachments := utils.GetEnv("JSON_RPC_IGNORE_ATTACHMENTS", "")
+	if ignoreAttachments == "true" {
+		signalCliIgnoreAttachments = " --ignore-attachments"
+	}
+
+	signalCliIgnoreStories := ""
+	ignoreStories := utils.GetEnv("JSON_RPC_IGNORE_STORIES", "")
+	if ignoreStories == "true" {
+		signalCliIgnoreStories = " --ignore-stories"
+	}
+
 	supervisorctlProgramName := "signal-cli-json-rpc-1"
 	supervisorctlLogFolder := "/var/log/" + supervisorctlProgramName
 	_, err = exec.Command("mkdir", "-p", supervisorctlLogFolder).Output()
@@ -72,7 +84,8 @@ func main() {
 
 
 	supervisorctlConfig := fmt.Sprintf(supervisorctlConfigTemplate, supervisorctlProgramName, supervisorctlProgramName,
-		tcpPort, fifoPathname, signalCliConfigDir, fifoPathname, supervisorctlProgramName, supervisorctlProgramName)
+		tcpPort, fifoPathname, signalCliConfigDir, signalCliIgnoreAttachments, signalCliIgnoreStories, fifoPathname,
+		supervisorctlProgramName, supervisorctlProgramName)
 
 
 	err = ioutil.WriteFile(supervisorctlConfigFilename, []byte(supervisorctlConfig), 0644)