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package handlers
import (
"fmt"
"net/http"
"time"
"github.com/gin-gonic/gin"
"github.com/seaweedfs/seaweedfs/weed/admin/dash"
"github.com/seaweedfs/seaweedfs/weed/admin/view/app"
"github.com/seaweedfs/seaweedfs/weed/admin/view/layout"
"github.com/seaweedfs/seaweedfs/weed/credential"
"github.com/seaweedfs/seaweedfs/weed/glog"
)
// PolicyHandlers contains all the HTTP handlers for policy management
type PolicyHandlers struct {
adminServer *dash.AdminServer
}
// NewPolicyHandlers creates a new instance of PolicyHandlers
func NewPolicyHandlers(adminServer *dash.AdminServer) *PolicyHandlers {
return &PolicyHandlers{
adminServer: adminServer,
}
}
// ShowPolicies renders the policies management page
func (h *PolicyHandlers) ShowPolicies(c *gin.Context) {
// Get policies data from the server
policiesData := h.getPoliciesData(c)
// Render HTML template
c.Header("Content-Type", "text/html")
policiesComponent := app.Policies(policiesData)
layoutComponent := layout.Layout(c, policiesComponent)
err := layoutComponent.Render(c.Request.Context(), c.Writer)
if err != nil {
c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to render template: " + err.Error()})
return
}
}
// GetPolicies returns the list of policies as JSON
func (h *PolicyHandlers) GetPolicies(c *gin.Context) {
policies, err := h.adminServer.GetPolicies()
if err != nil {
c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to get policies: " + err.Error()})
return
}
c.JSON(http.StatusOK, gin.H{"policies": policies})
}
// CreatePolicy handles policy creation
func (h *PolicyHandlers) CreatePolicy(c *gin.Context) {
var req dash.CreatePolicyRequest
if err := c.ShouldBindJSON(&req); err != nil {
c.JSON(http.StatusBadRequest, gin.H{"error": "Invalid request: " + err.Error()})
return
}
// Validate policy name
if req.Name == "" {
c.JSON(http.StatusBadRequest, gin.H{"error": "Policy name is required"})
return
}
// Check if policy already exists
existingPolicy, err := h.adminServer.GetPolicy(req.Name)
if err != nil {
c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to check existing policy: " + err.Error()})
return
}
if existingPolicy != nil {
c.JSON(http.StatusConflict, gin.H{"error": "Policy with this name already exists"})
return
}
// Create the policy
err = h.adminServer.CreatePolicy(req.Name, req.Document)
if err != nil {
glog.Errorf("Failed to create policy %s: %v", req.Name, err)
c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to create policy: " + err.Error()})
return
}
c.JSON(http.StatusCreated, gin.H{
"success": true,
"message": "Policy created successfully",
"policy": req.Name,
})
}
// GetPolicy returns a specific policy
func (h *PolicyHandlers) GetPolicy(c *gin.Context) {
policyName := c.Param("name")
if policyName == "" {
c.JSON(http.StatusBadRequest, gin.H{"error": "Policy name is required"})
return
}
policy, err := h.adminServer.GetPolicy(policyName)
if err != nil {
c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to get policy: " + err.Error()})
return
}
if policy == nil {
c.JSON(http.StatusNotFound, gin.H{"error": "Policy not found"})
return
}
c.JSON(http.StatusOK, policy)
}
// UpdatePolicy handles policy updates
func (h *PolicyHandlers) UpdatePolicy(c *gin.Context) {
policyName := c.Param("name")
if policyName == "" {
c.JSON(http.StatusBadRequest, gin.H{"error": "Policy name is required"})
return
}
var req dash.UpdatePolicyRequest
if err := c.ShouldBindJSON(&req); err != nil {
c.JSON(http.StatusBadRequest, gin.H{"error": "Invalid request: " + err.Error()})
return
}
// Check if policy exists
existingPolicy, err := h.adminServer.GetPolicy(policyName)
if err != nil {
c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to check existing policy: " + err.Error()})
return
}
if existingPolicy == nil {
c.JSON(http.StatusNotFound, gin.H{"error": "Policy not found"})
return
}
// Update the policy
err = h.adminServer.UpdatePolicy(policyName, req.Document)
if err != nil {
glog.Errorf("Failed to update policy %s: %v", policyName, err)
c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to update policy: " + err.Error()})
return
}
c.JSON(http.StatusOK, gin.H{
"success": true,
"message": "Policy updated successfully",
"policy": policyName,
})
}
// DeletePolicy handles policy deletion
func (h *PolicyHandlers) DeletePolicy(c *gin.Context) {
policyName := c.Param("name")
if policyName == "" {
c.JSON(http.StatusBadRequest, gin.H{"error": "Policy name is required"})
return
}
// Check if policy exists
existingPolicy, err := h.adminServer.GetPolicy(policyName)
if err != nil {
c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to check existing policy: " + err.Error()})
return
}
if existingPolicy == nil {
c.JSON(http.StatusNotFound, gin.H{"error": "Policy not found"})
return
}
// Delete the policy
err = h.adminServer.DeletePolicy(policyName)
if err != nil {
glog.Errorf("Failed to delete policy %s: %v", policyName, err)
c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to delete policy: " + err.Error()})
return
}
c.JSON(http.StatusOK, gin.H{
"success": true,
"message": "Policy deleted successfully",
"policy": policyName,
})
}
// ValidatePolicy validates a policy document without saving it
func (h *PolicyHandlers) ValidatePolicy(c *gin.Context) {
var req struct {
Document credential.PolicyDocument `json:"document" binding:"required"`
}
if err := c.ShouldBindJSON(&req); err != nil {
c.JSON(http.StatusBadRequest, gin.H{"error": "Invalid request: " + err.Error()})
return
}
// Basic validation
if req.Document.Version == "" {
c.JSON(http.StatusBadRequest, gin.H{"error": "Policy version is required"})
return
}
if len(req.Document.Statement) == 0 {
c.JSON(http.StatusBadRequest, gin.H{"error": "Policy must have at least one statement"})
return
}
// Validate each statement
for i, statement := range req.Document.Statement {
if statement.Effect != "Allow" && statement.Effect != "Deny" {
c.JSON(http.StatusBadRequest, gin.H{
"error": fmt.Sprintf("Statement %d: Effect must be 'Allow' or 'Deny'", i+1),
})
return
}
if len(statement.Action) == 0 {
c.JSON(http.StatusBadRequest, gin.H{
"error": fmt.Sprintf("Statement %d: Action is required", i+1),
})
return
}
if len(statement.Resource) == 0 {
c.JSON(http.StatusBadRequest, gin.H{
"error": fmt.Sprintf("Statement %d: Resource is required", i+1),
})
return
}
}
c.JSON(http.StatusOK, gin.H{
"valid": true,
"message": "Policy document is valid",
})
}
// getPoliciesData retrieves policies data from the server
func (h *PolicyHandlers) getPoliciesData(c *gin.Context) dash.PoliciesData {
username := c.GetString("username")
if username == "" {
username = "admin"
}
// Get policies
policies, err := h.adminServer.GetPolicies()
if err != nil {
glog.Errorf("Failed to get policies: %v", err)
// Return empty data on error
return dash.PoliciesData{
Username: username,
Policies: []dash.IAMPolicy{},
TotalPolicies: 0,
LastUpdated: time.Now(),
}
}
// Ensure policies is never nil
if policies == nil {
policies = []dash.IAMPolicy{}
}
return dash.PoliciesData{
Username: username,
Policies: policies,
TotalPolicies: len(policies),
LastUpdated: time.Now(),
}
}
|
