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cloudreve/middleware/cluster.go

62 lines
1.6 KiB

package middleware
import (
"github.com/cloudreve/Cloudreve/v3/pkg/cluster"
"github.com/cloudreve/Cloudreve/v3/pkg/serializer"
"github.com/gin-gonic/gin"
"strconv"
)
// MasterMetadata 解析主机节点发来请求的包含主机节点信息的元数据
func MasterMetadata() gin.HandlerFunc {
return func(c *gin.Context) {
c.Set("MasterSiteID", c.GetHeader("X-Cr-Site-Id"))
c.Set("MasterSiteURL", c.GetHeader("X-Cr-Site-Url"))
c.Set("MasterVersion", c.GetHeader("X-Cr-Cloudreve-Version"))
c.Next()
}
}
// UseSlaveAria2Instance 从机用于获取对应主机节点的Aria2实例
func UseSlaveAria2Instance(clusterController cluster.Controller) gin.HandlerFunc {
return func(c *gin.Context) {
if siteID, exist := c.Get("MasterSiteID"); exist {
// 获取对应主机节点的从机Aria2实例
caller, err := clusterController.GetAria2Instance(siteID.(string))
if err != nil {
c.JSON(200, serializer.Err(serializer.CodeNotSet, "无法获取 Aria2 实例", err))
c.Abort()
return
}
c.Set("MasterAria2Instance", caller)
c.Next()
return
}
c.JSON(200, serializer.ParamErr("未知的主机节点ID", nil))
c.Abort()
}
}
func SlaveRPCSignRequired(nodePool cluster.Pool) gin.HandlerFunc {
return func(c *gin.Context) {
nodeID, err := strconv.ParseUint(c.GetHeader("X-Cr-Node-Id"), 10, 64)
if err != nil {
c.JSON(200, serializer.ParamErr("未知的主机节点ID", err))
c.Abort()
return
}
slaveNode := nodePool.GetNodeByID(uint(nodeID))
if slaveNode == nil {
c.JSON(200, serializer.ParamErr("未知的主机节点ID", err))
c.Abort()
return
}
SignRequired(slaveNode.MasterAuthInstance())(c)
}
}