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build/
bower_components/
node_modules/
dist.prod/
CMakeCache.txt
Makefile
*.so
nbproject
.vscode
*.tar.gz
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_book
/* Keyword */ .highlight .ch { color: #888888 } /* Comment.Hashbang */ .highlight .cm { color: #888888 } /* Comment.Multiline */ .highlight .cp { color: #cc0000; font-weight: bold } /* Comment.Preproc */ .highlight .cpf { color: #888888 } /* Comment.PreprocFile */ .highlight .c1 { color: #888888 } /* Comment.Single */ .highlight .cs { color: #cc0000; font-weight: bold; background-color: #fff0f0 } /* Comment.Special */ .highlight .gd { color: #000000; background-color: #ffdddd } /* Generic.Deleted */ .highlight .ge { font-style: italic } /* Generic.Emph */ .highlight .gr { color: #aa0000 } /* Generic.Error */ .highlight .gh { color: #333333 } /* Generic.Heading */ .highlight .gi { color: #000000; background-color: #ddffdd } /* Generic.Inserted */ .highlight .go { color: #888888 } /* Generic.Output */ .highlight .gp { color: #555555 } /* Generic.Prompt */ .highlight .gs { font-weight: bold } /* Generic.Strong */ .highlight .gu { color: #666666 } /* Generic.Subheading */ .highlight .gt { color: #aa0000 } /* Generic.Traceback */ .highlight .kc { color: #008800; font-weight: bold } /* Keyword.Constant */ .highlight .kd { color: #008800; font-weight: bold } /* Keyword.Declaration */ .highlight .kn { color: #008800; font-weight: bold } /* Keyword.Namespace */ .highlight .kp { color: #008800 } /* Keyword.Pseudo */ .highlight .kr { color: #008800; font-weight: bold } /* Keyword.Reserved */ .highlight .kt { color: #888888; font-weight: bold } /* Keyword.Type */ .highlight .m { color: #0000DD; font-weight: bold } /* Literal.Number */ .highlight .s { color: #dd2200; background-color: #fff0f0 } /* Literal.String */ .highlight .na { color: #336699 } /* Name.Attribute */ .highlight .nb { color: #003388 } /* Name.Builtin */ .highlight .nc { color: #bb0066; font-weight: bold } /* Name.Class */ .highlight .no { color: #003366; font-weight: bold } /* Name.Constant */ .highlight .nd { color: #555555 } /* Name.Decorator */ .highlight .ne { color: #bb0066; font-weight: bold } /* Name.Exception */ .highlight .nf { color: #0066bb; font-weight: bold } /* Name.Function */ .highlight .nl { color: #336699; font-style: italic } /* Name.Label */ .highlight .nn { color: #bb0066; font-weight: bold } /* Name.Namespace */ .highlight .py { color: #336699; font-weight: bold } /* Name.Property */ .highlight .nt { color: #bb0066; font-weight: bold } /* Name.Tag */ .highlight .nv { color: #336699 } /* Name.Variable */ .highlight .ow { color: #008800 } /* Operator.Word */ .highlight .w { color: #bbbbbb } /* Text.Whitespace */ .highlight .mb { color: #0000DD; font-weight: bold } /* Literal.Number.Bin */ .highlight .mf { color: #0000DD; font-weight: bold } /* Literal.Number.Float */ .highlight .mh { color: #0000DD; font-weight: bold } /* Literal.Number.Hex */ .highlight .mi { color: #0000DD; font-weight: bold } /* Literal.Number.Integer */ .highlight .mo { color: #0000DD; font-weight: bold } /* Literal.Number.Oct */ .highlight .sa { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Affix */ .highlight .sb { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Backtick */ .highlight .sc { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Char */ .highlight .dl { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Delimiter */ .highlight .sd { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Doc */ .highlight .s2 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Double */ .highlight .se { color: #0044dd; background-color: #fff0f0 } /* Literal.String.Escape */ .highlight .sh { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Heredoc */ .highlight .si { color: #3333bb; background-color: #fff0f0 } /* Literal.String.Interpol */ .highlight .sx { color: #22bb22; background-color: #f0fff0 } /* Literal.String.Other */ .highlight .sr { color: #008800; background-color: #fff0ff } /* Literal.String.Regex */ .highlight .s1 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Single */ .highlight .ss { color: #aa6600; background-color: #fff0f0 } /* Literal.String.Symbol */ .highlight .bp { color: #003388 } /* Name.Builtin.Pseudo */ .highlight .fm { color: #0066bb; font-weight: bold } /* Name.Function.Magic */ .highlight .vc { color: #336699 } /* Name.Variable.Class */ .highlight .vg { color: #dd7700 } /* Name.Variable.Global */ .highlight .vi { color: #3333bb } /* Name.Variable.Instance */ .highlight .vm { color: #336699 } /* Name.Variable.Magic */ .highlight .il { color: #0000DD; font-weight: bold } /* Literal.Number.Integer.Long */
package apiv1

import (
	"net/http"
	"strconv"
	"strings"
	"time"

	"github.com/gin-gonic/gin"
	"github.com/iotbzh/xds-server/lib/common"
)

// ExecArgs JSON parameters of /exec command
type ExecArgs struct {
	ID         string   `json:"id" binding:"required"`
	SdkID      string   `json:"sdkid"` // sdk ID to use for setting env
	Cmd        string   `json:"cmd" binding:"required"`
	Args       []string `json:"args"`
	Env        []string `json:"env"`
	RPath      string   `json:"rpath"`   // relative path into project
	CmdTimeout int      `json:"timeout"` // command completion timeout in Second
}

// ExecOutMsg Message send on each output (stdout+stderr) of executed command
type ExecOutMsg struct {
	CmdID     string `json:"cmdID"`
	Timestamp string `json:"timestamp"`
	Stdout    string `json:"stdout"`
	Stderr    string `json:"stderr"`
}

// ExecExitMsg Message send when executed command exited
type ExecExitMsg struct {
	CmdID     string `json:"cmdID"`
	Timestamp string `json:"timestamp"`
	Code      int    `json:"code"`
	Error     error  `json:"error"`
}

// ExecOutEvent Event send in WS when characters are received
const ExecOutEvent = "exec:output"

// ExecExitEvent Event send in WS when program exited
const ExecExitEvent = "exec:exit"

var execCommandID = 1

// ExecCmd executes remotely a command
func (s *APIService) execCmd(c *gin.Context) {
	var args ExecArgs
	if c.BindJSON(&args) != nil {
		common.APIError(c, "Invalid arguments")
		return
	}

	// TODO: add permission ?

	// Retrieve session info
	sess := s.sessions.Get(c)
	if sess == nil {
		common.APIError(c, "Unknown sessions")
		return
	}
	sop := sess.IOSocket
	if sop == nil {
		common.APIError(c, "Websocket not established")
		return
	}

	// Allow to pass id in url (/exec/:id) or as JSON argument
	id := c.Param("id")
	if id == "" {
		id = args.ID
	}
	if id == "" {
		common.APIError(c, "Invalid id")
		return
	}

	prj := s.mfolder.GetFolderFromID(id)
	if prj == nil {
		common.APIError(c, "Unknown id")
		return
	}

	execTmo := args.CmdTimeout
	if execTmo == 0 {
		// TODO get default timeout from config.json file
		execTmo = 24 * 60 * 60 // 1 day
	}

	// Define callback for output
	var oCB common.EmitOutputCB
	oCB = func(sid string, id int, stdout, stderr string, data *map[string]interface{}) {
		// IO socket can be nil when disconnected
		so := s.sessions.IOSocketGet(sid)
		if so == nil {
			s.log.Infof("%s not emitted: WS closed - sid: %s - msg id:%d", ExecOutEvent, sid, id)
			return
		}

		// Retrieve project ID and RootPath
		prjID := (*data)["ID"].(string)
		prjRootPath := (*data)["RootPath"].(string)

		// Cleanup any references to internal rootpath in stdout & stderr
		stdout = strings.Replace(stdout, prjRootPath, "", -1)
		stderr = strings.Replace(stderr, prjRootPath, "", -1)

		s.log.Debugf("%s emitted - WS sid %s - id:%d - prjID:%s", ExecOutEvent, sid, id, prjID)

		// FIXME replace by .BroadcastTo a room
		err := (*so).Emit(ExecOutEvent, ExecOutMsg{
			CmdID:     strconv.Itoa(id),
			Timestamp: time.Now().String(),
			Stdout:    stdout,
			Stderr:    stderr,
		})
		if err != nil {
			s.log.Errorf("WS Emit : %v", err)
		}
	}

	// Define callback for output
	eCB := func(sid string, id int, code int, err error) {
		s.log.Debugf("Command [Cmd ID %d] exited: code %d, error: %v", id, code, err)

		// IO socket can be nil when disconnected
		so := s.sessions.IOSocketGet(sid)
		if so == nil {
			s.log.Infof("%s not emitted - WS closed (id:%d", ExecExitEvent, id)
			return
		}

		// FIXME replace by .BroadcastTo a room
		e := (*so).Emit(ExecExitEvent, ExecExitMsg{
			CmdID:     strconv.Itoa(id),
			Timestamp: time.Now().String(),
			Code:      code,
			Error:     err,
		})
		if e != nil {
			s.log.Errorf("WS Emit : %v", e)
		}
	}

	cmdID := execCommandID
	execCommandID++
	cmd := []string{}

	// Setup env var regarding Sdk ID (used for example to setup cross toolchain)
	if envCmd := s.sdks.GetEnvCmd(args.SdkID, prj.DefaultSdk); len(envCmd) > 0 {
		cmd = append(cmd, envCmd...)
		cmd = append(cmd, "&&")
	}

	cmd = append(cmd, "cd", prj.GetFullPath(args.RPath), "&&", args.Cmd)
	if len(args.Args) > 0 {
		cmd = append(cmd, args.Args...)
	}

	s.log.Debugf("Execute [Cmd ID %d]: %v", cmdID, cmd)

	data := make(map[string]interface{})
	data["ID"] = prj.ID
	data["RootPath"] = prj.RootPath

	err := common.ExecPipeWs(cmd, args.Env, sop, sess.ID, cmdID, execTmo, s.log, oCB, eCB, &data)
	if err != nil {
		common.APIError(c, err.Error())
		return
	}

	c.JSON(http.StatusOK,
		gin.H{
			"status": "OK",
			"cmdID":  cmdID,
		})
}