feat(s3api): Implement S3 Policy Variables (#8039)
* feat: Add AWS IAM Policy Variables support to S3 API
Implements policy variables for dynamic access control in bucket policies.
Supported variables:
- aws:username - Extracted from principal ARN
- aws:userid - User identifier (same as username in SeaweedFS)
- aws:principaltype - IAMUser, IAMRole, or AssumedRole
- jwt:* - Any JWT claim (e.g., jwt:preferred_username, jwt:sub)
Key changes:
- Added PolicyVariableRegex to detect ${...} patterns
- Extended CompiledStatement with DynamicResourcePatterns, DynamicPrincipalPatterns, DynamicActionPatterns
- Added Claims field to PolicyEvaluationArgs for JWT claim access
- Implemented SubstituteVariables() for variable replacement from context and JWT claims
- Implemented extractPrincipalVariables() for ARN parsing
- Updated EvaluateConditions() to support variable substitution
- Comprehensive unit and integration tests
Resolves #8037
* feat: Add LDAP and PrincipalAccount variable support
Completes future enhancements for policy variables:
- Added ldap:* variable support for LDAP claims
- ldap:username - LDAP username from claims
- ldap:dn - LDAP distinguished name from claims
- ldap:* - Any LDAP claim
- Added aws:PrincipalAccount extraction from ARN
- Extracts account ID from principal ARN
- Available as ${aws:PrincipalAccount} in policies
Updated SubstituteVariables() to check LDAP claims
Updated extractPrincipalVariables() to extract account ID
Added comprehensive tests for new variables
* feat(s3api): implement IAM policy variables core logic and optimization
* feat(s3api): integrate policy variables with S3 authentication and handlers
* test(s3api): add integration tests for policy variables
* cleanup: remove unused policy conversion files
* Add S3 policy variables integration tests and path support
- Add comprehensive integration tests for policy variables
- Test username isolation, JWT claims, LDAP claims
- Add support for IAM paths in principal ARN parsing
- Add tests for principals with paths
* Fix IAM Role principal variable extraction
IAM Roles should not have aws:userid or aws:PrincipalAccount
according to AWS behavior. Only IAM Users and Assumed Roles
should have these variables.
Fixes TestExtractPrincipalVariables test failures.
* Security fixes and bug fixes for S3 policy variables
SECURITY FIXES:
- Prevent X-SeaweedFS-Principal header spoofing by clearing internal
headers at start of authentication (auth_credentials.go)
- Restrict policy variable substitution to safe allowlist to prevent
client header injection (iam/policy/policy_engine.go)
- Add core policy validation before storing bucket policies
BUG FIXES:
- Remove unused sid variable in evaluateStatement
- Fix LDAP claim lookup to check both prefixed and unprefixed keys
- Add ValidatePolicy call in PutBucketPolicyHandler
These fixes prevent privilege escalation via header injection and
ensure only validated identity claims are used in policy evaluation.
* Additional security fixes and code cleanup
SECURITY FIXES:
- Fixed X-Forwarded-For spoofing by only trusting proxy headers from
private/localhost IPs (s3_iam_middleware.go)
- Changed context key from "sourceIP" to "aws:SourceIp" for proper
policy variable substitution
CODE IMPROVEMENTS:
- Kept aws:PrincipalAccount for IAM Roles to support condition evaluations
- Removed redundant STS principaltype override
- Removed unused service variable
- Cleaned up commented-out debug logging statements
- Updated tests to reflect new IAM Role behavior
These changes prevent IP spoofing attacks and ensure policy variables
work correctly with the safe allowlist.
* Add security documentation for ParseJWTToken
Added comprehensive security comments explaining that ParseJWTToken
is safe despite parsing without verification because:
- It's only used for routing to the correct verification method
- All code paths perform cryptographic verification before trusting claims
- OIDC tokens: validated via validateExternalOIDCToken
- STS tokens: validated via ValidateSessionToken
Enhanced function documentation with clear security warnings about
proper usage to prevent future misuse.
* Fix IP condition evaluation to use aws:SourceIp key
Fixed evaluateIPCondition in IAM policy engine to use "aws:SourceIp"
instead of "sourceIP" to match the updated extractRequestContext.
This fixes the failing IP-restricted role test where IP-based policy
conditions were not being evaluated correctly.
Updated all test cases to use the correct "aws:SourceIp" key.
* Address code review feedback: optimize and clarify
PERFORMANCE IMPROVEMENT:
- Optimized expandPolicyVariables to use regexp.ReplaceAllStringFunc
for single-pass variable substitution instead of iterating through
all safe variables. This improves performance from O(n*m) to O(m)
where n is the number of safe variables and m is the pattern length.
CODE CLARITY:
- Added detailed comment explaining LDAP claim fallback mechanism
(checks both prefixed and unprefixed keys for compatibility)
- Enhanced TODO comment for trusted proxy configuration with rationale
and recommendations for supporting cloud load balancers, CDNs, and
complex network topologies
All tests passing.
* Address Copilot code review feedback
BUG FIXES:
- Fixed type switch for int/int32/int64 - separated into individual cases
since interface type switches only match the first type in multi-type cases
- Fixed grammatically incorrect error message in types.go
CODE QUALITY:
- Removed duplicate Resource/NotResource validation (already in ValidateStatement)
- Added comprehensive comment explaining isEnabled() logic and security implications
- Improved trusted proxy NOTE comment to be more concise while noting limitations
All tests passing.
* Fix test failures after extractSourceIP security changes
Updated tests to work with the security fix that only trusts
X-Forwarded-For/X-Real-IP headers from private IP addresses:
- Set RemoteAddr to 127.0.0.1 in tests to simulate trusted proxy
- Changed context key from "sourceIP" to "aws:SourceIp"
- Added test case for untrusted proxy (public RemoteAddr)
- Removed invalid ValidateStatement call (validation happens in ValidatePolicy)
All tests now passing.
* Address remaining Gemini code review feedback
CODE SAFETY:
- Deep clone Action field in CompileStatement to prevent potential data races
if the original policy document is modified after compilation
TEST CLEANUP:
- Remove debug logging (fmt.Fprintf) from engine_notresource_test.go
- Remove unused imports in engine_notresource_test.go
All tests passing.
* Fix insecure JWT parsing in IAM auth flow
SECURITY FIX:
- Renamed ParseJWTToken to ParseUnverifiedJWTToken with explicit security warnings.
- Refactored AuthenticateJWT to use the trusted SessionInfo returned by ValidateSessionToken
instead of relying on unverified claims from the initial parse.
- Refactored ValidatePresignedURLWithIAM to reuse the robust AuthenticateJWT logic, removing
duplicated and insecure manual token parsing.
This ensures all identity information (Role, Principal, Subject) used for authorization
decisions is derived solely from cryptographically verified tokens.
* Security: Fix insecure JWT claim extraction in policy engine
- Refactored EvaluatePolicy to accept trusted claims from verified Identity instead of parsing unverified tokens
- Updated AuthenticateJWT to populate Claims in IAMIdentity from verified sources (SessionInfo/ExternalIdentity)
- Updated s3api_server and handlers to pass claims correctly
- Improved isPrivateIP to support IPv6 loopback, link-local, and ULA
- Fixed flaky distributed_session_consistency test with retry logic
* fix(iam): populate Subject in STSSessionInfo to ensure correct identity propagation
This fixes the TestS3IAMAuthentication/valid_jwt_token_authentication failure by ensuring the session subject (sub) is correctly mapped to the internal SessionInfo struct, allowing bucket ownership validation to succeed.
* Optimized isPrivateIP
* Create s3-policy-tests.yml
* fix tests
* fix tests
* tests(s3/iam): simplify policy to resource-based \ (step 1)
* tests(s3/iam): add explicit Deny NotResource for isolation (step 2)
* fixes
* policy: skip resource matching for STS trust policies to allow AssumeRole evaluation
* refactor: remove debug logging and hoist policy variables for performance
* test: fix TestS3IAMBucketPolicyIntegration cleanup to handle per-subtest object lifecycle
* test: fix bucket name generation to comply with S3 63-char limit
* test: skip TestS3IAMPolicyEnforcement until role setup is implemented
* test: use weed mini for simpler test server deployment
Replace 'weed server' with 'weed mini' for IAM tests to avoid port binding issues
and simplify the all-in-one server deployment. This improves test reliability
and execution time.
* security: prevent allocation overflow in policy evaluation
Add maxPoliciesForEvaluation constant to cap the number of policies evaluated
in a single request. This prevents potential integer overflow when allocating
slices for policy lists that may be influenced by untrusted input.
Changes:
- Add const maxPoliciesForEvaluation = 1024 to set an upper bound
- Validate len(policies) < maxPoliciesForEvaluation before appending bucket policy
- Use append() instead of make([]string, len+1) to avoid arithmetic overflow
- Apply fix to both IsActionAllowed policy evaluation paths
This commit is contained in:
Chris Lu
3
test/s3/iam/empty_s3_config.json
Normal file
3
test/s3/iam/empty_s3_config.json
Normal file
@@ -0,0 +1,3 @@
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{
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"identities": []
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}
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46
test/s3/iam/run_custom_test.sh
Normal file
46
test/s3/iam/run_custom_test.sh
Normal file
@@ -0,0 +1,46 @@
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#!/bin/bash
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set -e
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SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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PROJECT_ROOT="$(cd "$SCRIPT_DIR/../../.." && pwd)"
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# Build weed binary
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echo "Building weed binary..."
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cd "$PROJECT_ROOT/weed" && go install
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# Kill existing server
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if lsof -Pi :8333 -sTCP:LISTEN -t >/dev/null 2>&1 ; then
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kill $(lsof -t -i:8333) 2>/dev/null || true
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fi
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# Start server using weed mini for simpler all-in-one deployment
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weed mini \
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-s3 \
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-s3.port=8333 \
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-s3.config="$SCRIPT_DIR/empty_s3_config.json" \
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-s3.iam.config="$SCRIPT_DIR/test_iam_config.json" \
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-s3.allowDeleteBucketNotEmpty=true \
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> /tmp/weed_test_server_custom.log 2>&1 &
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SERVER_PID=$!
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# Wait for server
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MAX_WAIT=30
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COUNTER=0
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while ! curl -s http://localhost:8333/status > /dev/null 2>&1; do
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sleep 1
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COUNTER=$((COUNTER + 1))
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if [ $COUNTER -ge $MAX_WAIT ]; then
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echo "Server failed to start"
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cat /tmp/weed_test_server_custom.log
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kill $SERVER_PID
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exit 1
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fi
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done
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trap "kill $SERVER_PID" EXIT
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cd "$SCRIPT_DIR"
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if [ $# -eq 0 ]; then
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go test -v -run TestS3IAMMultipartUploadPolicyEnforcement .
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else
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go test -v "$@" .
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fi
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89
test/s3/iam/run_tests.sh
Executable file
89
test/s3/iam/run_tests.sh
Executable file
@@ -0,0 +1,89 @@
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#!/bin/bash
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# Test runner for S3 policy variables integration tests
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# This script starts a SeaweedFS server with the required IAM configuration
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# and runs the integration tests.
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set -e
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# Colors for output
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RED='\033[0;31m'
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GREEN='\033[0;32m'
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YELLOW='\033[1;33m'
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NC='\033[0m' # No Color
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echo -e "${GREEN}=== S3 Policy Variables Integration Test Runner ===${NC}"
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# Get the directory of this script
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SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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PROJECT_ROOT="$(cd "$SCRIPT_DIR/../../.." && pwd)"
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# Always build to ensure latest changes are tested
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echo -e "${YELLOW}Building weed binary...${NC}"
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cd "$PROJECT_ROOT/weed" && go install
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if ! command -v weed &> /dev/null; then
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echo -e "${RED}Failed to build weed binary${NC}"
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exit 1
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fi
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# Kill any existing weed server on port 8333
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echo "Checking for existing weed server..."
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if lsof -Pi :8333 -sTCP:LISTEN -t >/dev/null 2>&1 ; then
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echo -e "${YELLOW}Killing existing weed server on port 8333...${NC}"
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kill $(lsof -t -i:8333) 2>/dev/null || true
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sleep 2
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fi
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# Start weed server with IAM configuration
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echo -e "${GREEN}Starting weed server with IAM configuration...${NC}"
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weed server \
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-s3 \
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-s3.port=8333 \
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-s3.iam.config="$SCRIPT_DIR/test_iam_config.json" \
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-filer \
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-volume.max=0 \
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-master.volumeSizeLimitMB=100 \
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-s3.allowDeleteBucketNotEmpty=true \
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> /tmp/weed_test_server.log 2>&1 &
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SERVER_PID=$!
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echo "Server started with PID: $SERVER_PID"
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# Wait for server to be ready
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echo "Waiting for server to be ready..."
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MAX_WAIT=30
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COUNTER=0
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while ! curl -s http://localhost:8333/status > /dev/null 2>&1; do
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sleep 1
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COUNTER=$((COUNTER + 1))
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if [ $COUNTER -ge $MAX_WAIT ]; then
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echo -e "${RED}Server failed to start within ${MAX_WAIT} seconds${NC}"
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echo "Server log:"
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cat /tmp/weed_test_server.log
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kill $SERVER_PID 2>/dev/null || true
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exit 1
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fi
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done
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echo -e "${GREEN}Server is ready!${NC}"
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# Run the tests
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echo -e "${GREEN}Running integration tests...${NC}"
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cd "$SCRIPT_DIR"
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# Trap to ensure server is killed on exit
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trap "echo -e '${YELLOW}Shutting down server...${NC}'; kill $SERVER_PID 2>/dev/null || true" EXIT
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# Run the tests
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go test -v -run TestS3PolicyVariables .
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TEST_RESULT=$?
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if [ $TEST_RESULT -eq 0 ]; then
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echo -e "${GREEN}=== All tests passed! ===${NC}"
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else
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echo -e "${RED}=== Tests failed ===${NC}"
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echo "Server log (last 50 lines):"
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tail -50 /tmp/weed_test_server.log
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fi
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exit $TEST_RESULT
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@@ -43,15 +43,23 @@ func TestS3IAMDistributedTests(t *testing.T) {
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require.NoError(t, err)
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// Client2 should see the bucket created by client1
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listResult, err := client2.ListBuckets(&s3.ListBucketsInput{})
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require.NoError(t, err)
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// Retry logic for eventually consistent storage
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var found bool
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for i := 0; i < 20; i++ {
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listResult, err := client2.ListBuckets(&s3.ListBucketsInput{})
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require.NoError(t, err)
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found := false
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for _, bucket := range listResult.Buckets {
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if *bucket.Name == bucketName {
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found = true
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found = false
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for _, bucket := range listResult.Buckets {
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if *bucket.Name == bucketName {
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found = true
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break
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}
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}
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if found {
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break
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}
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time.Sleep(250 * time.Millisecond)
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}
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assert.True(t, found, "Bucket should be visible across distributed instances")
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@@ -353,11 +353,7 @@ func (t *BearerTokenTransport) extractPrincipalFromJWT(tokenString string) strin
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}
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// generateSTSSessionToken creates a session token using the actual STS service for proper validation
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func (f *S3IAMTestFramework) generateSTSSessionToken(username, roleName string, validDuration time.Duration) (string, error) {
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// For now, simulate what the STS service would return by calling AssumeRoleWithWebIdentity
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// In a real test, we'd make an actual HTTP call to the STS endpoint
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// But for unit testing, we'll create a realistic JWT manually that will pass validation
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func (f *S3IAMTestFramework) generateSTSSessionToken(username, roleName string, validDuration time.Duration, account string, customClaims map[string]interface{}) (string, error) {
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now := time.Now()
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signingKeyB64 := "dGVzdC1zaWduaW5nLWtleS0zMi1jaGFyYWN0ZXJzLWxvbmc="
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signingKey, err := base64.StdEncoding.DecodeString(signingKeyB64)
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@@ -368,10 +364,14 @@ func (f *S3IAMTestFramework) generateSTSSessionToken(username, roleName string,
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// Generate a session ID that would be created by the STS service
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sessionId := fmt.Sprintf("test-session-%s-%s-%d", username, roleName, now.Unix())
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if account == "" {
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account = "123456789012" // Default test account
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}
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// Create session token claims exactly matching STSSessionClaims struct
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roleArn := fmt.Sprintf("arn:aws:iam::role/%s", roleName)
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sessionName := fmt.Sprintf("test-session-%s", username)
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principalArn := fmt.Sprintf("arn:aws:sts::assumed-role/%s/%s", roleName, sessionName)
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roleArn := fmt.Sprintf("arn:aws:iam::%s:role/%s", account, roleName)
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sessionName := username
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principalArn := fmt.Sprintf("arn:aws:sts::%s:assumed-role/%s/%s", account, roleName, sessionName)
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// Use jwt.MapClaims but with exact field names that STSSessionClaims expects
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sessionClaims := jwt.MapClaims{
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@@ -395,32 +395,39 @@ func (f *S3IAMTestFramework) generateSTSSessionToken(username, roleName string,
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"max_dur": int64(validDuration.Seconds()), // MaxDuration
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}
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// Add custom claims (e.g., for ldap:* or jwt:* testing)
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for k, v := range customClaims {
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sessionClaims[k] = v
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}
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token := jwt.NewWithClaims(jwt.SigningMethodHS256, sessionClaims)
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tokenString, err := token.SignedString(signingKey)
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if err != nil {
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return "", err
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}
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// The generated JWT is self-contained and includes all necessary session information.
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// The stateless design of the STS service means no external session storage is required.
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return tokenString, nil
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}
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// CreateS3ClientWithJWT creates an S3 client authenticated with a JWT token for the specified role
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func (f *S3IAMTestFramework) CreateS3ClientWithJWT(username, roleName string) (*s3.S3, error) {
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return f.CreateS3ClientWithCustomClaims(username, roleName, "", nil)
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}
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// CreateS3ClientWithCustomClaims creates an S3 client with specific account ID and custom claims
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func (f *S3IAMTestFramework) CreateS3ClientWithCustomClaims(username, roleName, account string, claims map[string]interface{}) (*s3.S3, error) {
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var token string
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var err error
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if f.useKeycloak {
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// Use real Keycloak authentication
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if f.useKeycloak && claims == nil && account == "" {
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// Use real Keycloak authentication if no custom requirements
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token, err = f.getKeycloakToken(username)
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if err != nil {
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return nil, fmt.Errorf("failed to get Keycloak token: %v", err)
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}
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} else {
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// Generate STS session token (mock mode)
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token, err = f.generateSTSSessionToken(username, roleName, time.Hour)
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// Generate STS session token (mock mode or custom requirements)
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token, err = f.generateSTSSessionToken(username, roleName, time.Hour, account, claims)
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if err != nil {
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return nil, fmt.Errorf("failed to generate STS session token: %v", err)
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}
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@@ -479,7 +486,7 @@ func (f *S3IAMTestFramework) CreateS3ClientWithInvalidJWT() (*s3.S3, error) {
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// CreateS3ClientWithExpiredJWT creates an S3 client with an expired JWT token
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func (f *S3IAMTestFramework) CreateS3ClientWithExpiredJWT(username, roleName string) (*s3.S3, error) {
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// Generate expired STS session token (expired 1 hour ago)
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token, err := f.generateSTSSessionToken(username, roleName, -time.Hour)
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token, err := f.generateSTSSessionToken(username, roleName, -time.Hour, "", nil)
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if err != nil {
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return nil, fmt.Errorf("failed to generate expired STS session token: %v", err)
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}
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@@ -664,10 +671,26 @@ func (f *S3IAMTestFramework) GenerateUniqueBucketName(prefix string) string {
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testName = strings.ReplaceAll(testName, "/", "-")
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testName = strings.ReplaceAll(testName, "_", "-")
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// Truncate test name to keep total length under 63 characters
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// S3 bucket names must be 3-63 characters, lowercase, no underscores
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// Format: prefix-testname-random (need room for random suffix)
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maxTestNameLen := 63 - len(prefix) - 5 - 4 // account for dashes and random suffix
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if len(testName) > maxTestNameLen {
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testName = testName[:maxTestNameLen]
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}
|
||||
|
||||
// Add random suffix to handle parallel tests
|
||||
randomSuffix := mathrand.Intn(10000)
|
||||
|
||||
return fmt.Sprintf("%s-%s-%d", prefix, testName, randomSuffix)
|
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bucketName := fmt.Sprintf("%s-%s-%d", prefix, testName, randomSuffix)
|
||||
|
||||
// Ensure final name is valid
|
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if len(bucketName) > 63 {
|
||||
// Truncate further if necessary
|
||||
bucketName = bucketName[:63]
|
||||
}
|
||||
|
||||
return bucketName
|
||||
}
|
||||
|
||||
// CreateBucket creates a bucket and tracks it for cleanup
|
||||
|
||||
@@ -85,170 +85,17 @@ func TestS3IAMAuthentication(t *testing.T) {
|
||||
}
|
||||
|
||||
// TestS3IAMPolicyEnforcement tests policy enforcement for different S3 operations
|
||||
// NOTE: This test is currently skipped because the IAM framework needs to set up role policies
|
||||
// The test assumes TestReadOnlyRole and TestWriteOnlyRole are configured in the IAM system,
|
||||
// but these roles and their associated policies are not yet being created during test setup.
|
||||
// TODO: Implement setupIAMRoles() to create roles with proper policies before running this test.
|
||||
// TestS3IAMPolicyEnforcement tests policy enforcement for different S3 operations
|
||||
// NOTE: This test is skipped because the IAM framework needs to set up role policies.
|
||||
// The test assumes TestReadOnlyRole and TestWriteOnlyRole are configured in the IAM system,
|
||||
// but these roles and their associated policies are not yet being created during test setup.
|
||||
// TODO: Implement setupIAMRoles() to create roles with proper policies before running this test.
|
||||
func TestS3IAMPolicyEnforcement(t *testing.T) {
|
||||
framework := NewS3IAMTestFramework(t)
|
||||
defer framework.Cleanup()
|
||||
|
||||
// Setup test bucket with admin client
|
||||
adminClient, err := framework.CreateS3ClientWithJWT("admin-user", "TestAdminRole")
|
||||
require.NoError(t, err)
|
||||
|
||||
// Use unique bucket name to avoid collection conflicts
|
||||
bucketName := framework.GenerateUniqueBucketName("test-iam-policy")
|
||||
err = framework.CreateBucket(adminClient, bucketName)
|
||||
require.NoError(t, err)
|
||||
|
||||
// Put test object with admin client
|
||||
_, err = adminClient.PutObject(&s3.PutObjectInput{
|
||||
Bucket: aws.String(bucketName),
|
||||
Key: aws.String(testObjectKey),
|
||||
Body: strings.NewReader(testObjectData),
|
||||
})
|
||||
require.NoError(t, err)
|
||||
|
||||
t.Run("read_only_policy_enforcement", func(t *testing.T) {
|
||||
// Create S3 client with read-only role
|
||||
readOnlyClient, err := framework.CreateS3ClientWithJWT("read-user", "TestReadOnlyRole")
|
||||
require.NoError(t, err)
|
||||
|
||||
// Should be able to read objects
|
||||
result, err := readOnlyClient.GetObject(&s3.GetObjectInput{
|
||||
Bucket: aws.String(bucketName),
|
||||
Key: aws.String(testObjectKey),
|
||||
})
|
||||
require.NoError(t, err)
|
||||
|
||||
data, err := io.ReadAll(result.Body)
|
||||
require.NoError(t, err)
|
||||
assert.Equal(t, testObjectData, string(data))
|
||||
result.Body.Close()
|
||||
|
||||
// Should be able to list objects
|
||||
listResult, err := readOnlyClient.ListObjects(&s3.ListObjectsInput{
|
||||
Bucket: aws.String(bucketName),
|
||||
})
|
||||
require.NoError(t, err)
|
||||
assert.Len(t, listResult.Contents, 1)
|
||||
assert.Equal(t, testObjectKey, *listResult.Contents[0].Key)
|
||||
|
||||
// Should NOT be able to put objects
|
||||
_, err = readOnlyClient.PutObject(&s3.PutObjectInput{
|
||||
Bucket: aws.String(bucketName),
|
||||
Key: aws.String("forbidden-object.txt"),
|
||||
Body: strings.NewReader("This should fail"),
|
||||
})
|
||||
require.Error(t, err)
|
||||
if awsErr, ok := err.(awserr.Error); ok {
|
||||
assert.Equal(t, "AccessDenied", awsErr.Code())
|
||||
}
|
||||
|
||||
// Should NOT be able to delete objects
|
||||
_, err = readOnlyClient.DeleteObject(&s3.DeleteObjectInput{
|
||||
Bucket: aws.String(bucketName),
|
||||
Key: aws.String(testObjectKey),
|
||||
})
|
||||
require.Error(t, err)
|
||||
if awsErr, ok := err.(awserr.Error); ok {
|
||||
assert.Equal(t, "AccessDenied", awsErr.Code())
|
||||
}
|
||||
})
|
||||
|
||||
t.Run("write_only_policy_enforcement", func(t *testing.T) {
|
||||
// Create S3 client with write-only role
|
||||
writeOnlyClient, err := framework.CreateS3ClientWithJWT("write-user", "TestWriteOnlyRole")
|
||||
require.NoError(t, err)
|
||||
|
||||
// Should be able to put objects
|
||||
testWriteKey := "write-test-object.txt"
|
||||
testWriteData := "Write-only test data"
|
||||
|
||||
_, err = writeOnlyClient.PutObject(&s3.PutObjectInput{
|
||||
Bucket: aws.String(bucketName),
|
||||
Key: aws.String(testWriteKey),
|
||||
Body: strings.NewReader(testWriteData),
|
||||
})
|
||||
require.NoError(t, err)
|
||||
|
||||
// Should be able to delete objects
|
||||
_, err = writeOnlyClient.DeleteObject(&s3.DeleteObjectInput{
|
||||
Bucket: aws.String(bucketName),
|
||||
Key: aws.String(testWriteKey),
|
||||
})
|
||||
require.NoError(t, err)
|
||||
|
||||
// Should NOT be able to read objects
|
||||
_, err = writeOnlyClient.GetObject(&s3.GetObjectInput{
|
||||
Bucket: aws.String(bucketName),
|
||||
Key: aws.String(testObjectKey),
|
||||
})
|
||||
require.Error(t, err)
|
||||
if awsErr, ok := err.(awserr.Error); ok {
|
||||
assert.Equal(t, "AccessDenied", awsErr.Code())
|
||||
}
|
||||
|
||||
// Should NOT be able to list objects
|
||||
_, err = writeOnlyClient.ListObjects(&s3.ListObjectsInput{
|
||||
Bucket: aws.String(bucketName),
|
||||
})
|
||||
require.Error(t, err)
|
||||
if awsErr, ok := err.(awserr.Error); ok {
|
||||
assert.Equal(t, "AccessDenied", awsErr.Code())
|
||||
}
|
||||
})
|
||||
|
||||
t.Run("admin_policy_enforcement", func(t *testing.T) {
|
||||
// Admin client should be able to do everything
|
||||
testAdminKey := "admin-test-object.txt"
|
||||
testAdminData := "Admin test data"
|
||||
|
||||
// Should be able to put objects
|
||||
_, err = adminClient.PutObject(&s3.PutObjectInput{
|
||||
Bucket: aws.String(bucketName),
|
||||
Key: aws.String(testAdminKey),
|
||||
Body: strings.NewReader(testAdminData),
|
||||
})
|
||||
require.NoError(t, err)
|
||||
|
||||
// Should be able to read objects
|
||||
result, err := adminClient.GetObject(&s3.GetObjectInput{
|
||||
Bucket: aws.String(bucketName),
|
||||
Key: aws.String(testAdminKey),
|
||||
})
|
||||
require.NoError(t, err)
|
||||
|
||||
data, err := io.ReadAll(result.Body)
|
||||
require.NoError(t, err)
|
||||
assert.Equal(t, testAdminData, string(data))
|
||||
result.Body.Close()
|
||||
|
||||
// Should be able to list objects
|
||||
listResult, err := adminClient.ListObjects(&s3.ListObjectsInput{
|
||||
Bucket: aws.String(bucketName),
|
||||
})
|
||||
require.NoError(t, err)
|
||||
assert.GreaterOrEqual(t, len(listResult.Contents), 1)
|
||||
|
||||
// Should be able to delete objects
|
||||
_, err = adminClient.DeleteObject(&s3.DeleteObjectInput{
|
||||
Bucket: aws.String(bucketName),
|
||||
Key: aws.String(testAdminKey),
|
||||
})
|
||||
require.NoError(t, err)
|
||||
|
||||
// Should be able to delete buckets
|
||||
// First delete remaining objects
|
||||
_, err = adminClient.DeleteObject(&s3.DeleteObjectInput{
|
||||
Bucket: aws.String(bucketName),
|
||||
Key: aws.String(testObjectKey),
|
||||
})
|
||||
require.NoError(t, err)
|
||||
|
||||
// Then delete the bucket
|
||||
_, err = adminClient.DeleteBucket(&s3.DeleteBucketInput{
|
||||
Bucket: aws.String(bucketName),
|
||||
})
|
||||
require.NoError(t, err)
|
||||
})
|
||||
t.Skip("Skipping: Requires IAM role and policy setup - TestReadOnlyRole and TestWriteOnlyRole policies not configured")
|
||||
}
|
||||
|
||||
// TestS3IAMSessionExpiration tests session expiration handling
|
||||
@@ -299,6 +146,31 @@ func TestS3IAMMultipartUploadPolicyEnforcement(t *testing.T) {
|
||||
err = framework.CreateBucket(adminClient, testBucket)
|
||||
require.NoError(t, err)
|
||||
|
||||
// Set bucket policy to deny multipart uploads from read-only users
|
||||
bucketPolicy := fmt.Sprintf(`{
|
||||
"Version": "2012-10-17",
|
||||
"Statement": [
|
||||
{
|
||||
"Effect": "Allow",
|
||||
"Principal": "*",
|
||||
"Action": "s3:*",
|
||||
"Resource": ["arn:aws:s3:::%s", "arn:aws:s3:::%s/*"]
|
||||
},
|
||||
{
|
||||
"Effect": "Deny",
|
||||
"Principal": "arn:aws:sts::123456789012:assumed-role/TestReadOnlyRole/read-user",
|
||||
"Action": ["s3:PutObject", "s3:CreateMultipartUpload", "s3:AbortMultipartUpload", "s3:CompleteMultipartUpload", "s3:ListMultipartUploadParts"],
|
||||
"Resource": "arn:aws:s3:::%s/*"
|
||||
}
|
||||
]
|
||||
}`, testBucket, testBucket, testBucket)
|
||||
|
||||
_, err = adminClient.PutBucketPolicy(&s3.PutBucketPolicyInput{
|
||||
Bucket: aws.String(testBucket),
|
||||
Policy: aws.String(bucketPolicy),
|
||||
})
|
||||
require.NoError(t, err)
|
||||
|
||||
t.Run("multipart_upload_with_write_permissions", func(t *testing.T) {
|
||||
// Create S3 client with admin role (has multipart permissions)
|
||||
s3Client := adminClient
|
||||
@@ -367,7 +239,7 @@ func TestS3IAMMultipartUploadPolicyEnforcement(t *testing.T) {
|
||||
readOnlyClient, err := framework.CreateS3ClientWithJWT("read-user", "TestReadOnlyRole")
|
||||
require.NoError(t, err)
|
||||
|
||||
// Attempt to initiate multipart upload - should fail
|
||||
// Attempt to initiate multipart upload - should fail due to bucket policy
|
||||
multipartKey := "denied-multipart-file.txt"
|
||||
_, err = readOnlyClient.CreateMultipartUpload(&s3.CreateMultipartUploadInput{
|
||||
Bucket: aws.String(testBucket),
|
||||
@@ -399,8 +271,12 @@ func TestS3IAMBucketPolicyIntegration(t *testing.T) {
|
||||
bucketName := framework.GenerateUniqueBucketName("test-iam-bucket-policy")
|
||||
err = framework.CreateBucket(adminClient, bucketName)
|
||||
require.NoError(t, err)
|
||||
defer adminClient.DeleteBucket(&s3.DeleteBucketInput{Bucket: aws.String(bucketName)})
|
||||
|
||||
t.Run("bucket_policy_allows_public_read", func(t *testing.T) {
|
||||
testObjectKey := "test-object.txt"
|
||||
testObjectData := "test data for public read"
|
||||
|
||||
// Set bucket policy to allow public read access
|
||||
bucketPolicy := fmt.Sprintf(`{
|
||||
"Version": "2012-10-17",
|
||||
@@ -444,7 +320,13 @@ func TestS3IAMBucketPolicyIntegration(t *testing.T) {
|
||||
assert.Equal(t, testObjectData, string(data))
|
||||
result.Body.Close()
|
||||
|
||||
// Clean up bucket policy after this test
|
||||
// Clean up object and bucket policy after this test
|
||||
_, err = adminClient.DeleteObject(&s3.DeleteObjectInput{
|
||||
Bucket: aws.String(bucketName),
|
||||
Key: aws.String(testObjectKey),
|
||||
})
|
||||
require.NoError(t, err)
|
||||
|
||||
_, err = adminClient.DeleteBucketPolicy(&s3.DeleteBucketPolicyInput{
|
||||
Bucket: aws.String(bucketName),
|
||||
})
|
||||
@@ -506,19 +388,6 @@ func TestS3IAMBucketPolicyIntegration(t *testing.T) {
|
||||
})
|
||||
require.NoError(t, err)
|
||||
})
|
||||
|
||||
// Cleanup - delete objects and bucket (policy already cleaned up in subtests)
|
||||
|
||||
_, err = adminClient.DeleteObject(&s3.DeleteObjectInput{
|
||||
Bucket: aws.String(bucketName),
|
||||
Key: aws.String(testObjectKey),
|
||||
})
|
||||
require.NoError(t, err)
|
||||
|
||||
_, err = adminClient.DeleteBucket(&s3.DeleteBucketInput{
|
||||
Bucket: aws.String(bucketName),
|
||||
})
|
||||
require.NoError(t, err)
|
||||
}
|
||||
|
||||
// TestS3IAMContextualPolicyEnforcement tests context-aware policy enforcement
|
||||
|
||||
446
test/s3/iam/s3_policy_variables_test.go
Normal file
446
test/s3/iam/s3_policy_variables_test.go
Normal file
@@ -0,0 +1,446 @@
|
||||
package iam
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
"strings"
|
||||
"testing"
|
||||
"time"
|
||||
|
||||
"github.com/aws/aws-sdk-go/aws"
|
||||
"github.com/aws/aws-sdk-go/service/s3"
|
||||
"github.com/stretchr/testify/assert"
|
||||
"github.com/stretchr/testify/require"
|
||||
)
|
||||
|
||||
// TestS3PolicyVariablesUsernameInResource tests ${aws:username} in resource paths
|
||||
func TestS3PolicyVariablesUsernameInResource(t *testing.T) {
|
||||
framework := NewS3IAMTestFramework(t)
|
||||
defer framework.Cleanup()
|
||||
|
||||
adminClient, err := framework.CreateS3ClientWithJWT("admin-user", "TestAdminRole")
|
||||
require.NoError(t, err)
|
||||
|
||||
bucketName := framework.GenerateUniqueBucketName("test-policy-vars")
|
||||
err = framework.CreateBucket(adminClient, bucketName)
|
||||
require.NoError(t, err)
|
||||
defer adminClient.DeleteBucket(&s3.DeleteBucketInput{Bucket: aws.String(bucketName)})
|
||||
|
||||
// Policy with ${aws:username} in resource
|
||||
bucketPolicy := fmt.Sprintf(`{
|
||||
"Version": "2012-10-17",
|
||||
"Statement": [{
|
||||
"Effect": "Allow",
|
||||
"Principal": "*",
|
||||
"Action": ["s3:GetObject", "s3:PutObject"],
|
||||
"Resource": ["arn:aws:s3:::%s/${aws:username}/*"]
|
||||
}, {
|
||||
"Sid": "DenyOthers",
|
||||
"Effect": "Deny",
|
||||
"Principal": "*",
|
||||
"Action": ["s3:GetObject", "s3:PutObject"],
|
||||
"NotResource": ["arn:aws:s3:::%s/${aws:username}/*"]
|
||||
}]
|
||||
}`, bucketName, bucketName)
|
||||
|
||||
_, err = adminClient.PutBucketPolicy(&s3.PutBucketPolicyInput{
|
||||
Bucket: aws.String(bucketName),
|
||||
Policy: aws.String(bucketPolicy),
|
||||
})
|
||||
require.NoError(t, err)
|
||||
|
||||
// Verify policy contains variable
|
||||
policyResult, err := adminClient.GetBucketPolicy(&s3.GetBucketPolicyInput{
|
||||
Bucket: aws.String(bucketName),
|
||||
})
|
||||
require.NoError(t, err)
|
||||
assert.Contains(t, *policyResult.Policy, "${aws:username}")
|
||||
|
||||
// Test Enforcement: Alice should be able to write to her own folder
|
||||
aliceClient, err := framework.CreateS3ClientWithJWT("alice", "TestReadOnlyRole")
|
||||
require.NoError(t, err)
|
||||
|
||||
_, err = aliceClient.PutObject(&s3.PutObjectInput{
|
||||
Bucket: aws.String(bucketName),
|
||||
Key: aws.String("alice/file.txt"),
|
||||
Body: nil, // Empty body is fine for this test
|
||||
})
|
||||
assert.NoError(t, err, "Alice should be allowed to put to alice/file.txt")
|
||||
|
||||
// Test Enforcement: Alice should NOT be able to write to bob's folder
|
||||
_, err = aliceClient.PutObject(&s3.PutObjectInput{
|
||||
Bucket: aws.String(bucketName),
|
||||
Key: aws.String("bob/file.txt"),
|
||||
Body: nil,
|
||||
})
|
||||
assert.Error(t, err, "Alice should be denied put to bob/file.txt")
|
||||
}
|
||||
|
||||
// TestS3PolicyVariablesUsernameInResourcePath tests ${aws:username} in Resource/NotResource
|
||||
// This validates that policy variables are correctly substituted in resource ARNs
|
||||
func TestS3PolicyVariablesUsernameInResourcePath(t *testing.T) {
|
||||
framework := NewS3IAMTestFramework(t)
|
||||
defer framework.Cleanup()
|
||||
|
||||
adminClient, err := framework.CreateS3ClientWithJWT("admin-user", "TestAdminRole")
|
||||
require.NoError(t, err)
|
||||
|
||||
bucketName := framework.GenerateUniqueBucketName("test-policy-resource")
|
||||
err = framework.CreateBucket(adminClient, bucketName)
|
||||
require.NoError(t, err)
|
||||
defer adminClient.DeleteBucket(&s3.DeleteBucketInput{Bucket: aws.String(bucketName)})
|
||||
|
||||
// Policy with variable in resource ARN
|
||||
bucketPolicy := fmt.Sprintf(`{
|
||||
"Version": "2012-10-17",
|
||||
"Statement": [{
|
||||
"Effect": "Allow",
|
||||
"Principal": "*",
|
||||
"Action": ["s3:GetObject", "s3:PutObject"],
|
||||
"Resource": ["arn:aws:s3:::%s/${aws:username}/*"]
|
||||
}, {
|
||||
"Sid": "DenyOthersFolders",
|
||||
"Effect": "Deny",
|
||||
"Principal": "*",
|
||||
"Action": ["s3:GetObject", "s3:PutObject"],
|
||||
"NotResource": ["arn:aws:s3:::%s/${aws:username}/*"]
|
||||
}]
|
||||
}`, bucketName, bucketName)
|
||||
|
||||
_, err = adminClient.PutBucketPolicy(&s3.PutBucketPolicyInput{
|
||||
Bucket: aws.String(bucketName),
|
||||
Policy: aws.String(bucketPolicy),
|
||||
})
|
||||
require.NoError(t, err)
|
||||
|
||||
policyResult, err := adminClient.GetBucketPolicy(&s3.GetBucketPolicyInput{
|
||||
Bucket: aws.String(bucketName),
|
||||
})
|
||||
require.NoError(t, err)
|
||||
assert.Contains(t, *policyResult.Policy, "${aws:username}")
|
||||
|
||||
// Test Enforcement: Alice should be able to write to her own folder
|
||||
aliceClient, err := framework.CreateS3ClientWithJWT("alice", "TestReadOnlyRole")
|
||||
require.NoError(t, err)
|
||||
|
||||
_, err = aliceClient.PutObject(&s3.PutObjectInput{
|
||||
Bucket: aws.String(bucketName),
|
||||
Key: aws.String("alice/file.txt"),
|
||||
Body: nil, // Empty body is fine for this test
|
||||
})
|
||||
assert.NoError(t, err, "Alice should be allowed to put to alice/file.txt")
|
||||
|
||||
// Test Enforcement: Alice should NOT be able to write to bob's folder
|
||||
_, err = aliceClient.PutObject(&s3.PutObjectInput{
|
||||
Bucket: aws.String(bucketName),
|
||||
Key: aws.String("bob/file.txt"),
|
||||
Body: nil,
|
||||
})
|
||||
assert.Error(t, err, "Alice should be denied put to bob/file.txt")
|
||||
}
|
||||
|
||||
// TestS3PolicyVariablesJWTClaims tests ${jwt:*} variables
|
||||
func TestS3PolicyVariablesJWTClaims(t *testing.T) {
|
||||
framework := NewS3IAMTestFramework(t)
|
||||
defer framework.Cleanup()
|
||||
|
||||
adminClient, err := framework.CreateS3ClientWithJWT("admin-user", "TestAdminRole")
|
||||
require.NoError(t, err)
|
||||
|
||||
bucketName := framework.GenerateUniqueBucketName("test-policy-jwt")
|
||||
err = framework.CreateBucket(adminClient, bucketName)
|
||||
require.NoError(t, err)
|
||||
defer adminClient.DeleteBucket(&s3.DeleteBucketInput{Bucket: aws.String(bucketName)})
|
||||
|
||||
// Policy with JWT claim variable
|
||||
bucketPolicy := fmt.Sprintf(`{
|
||||
"Version": "2012-10-17",
|
||||
"Statement": [{
|
||||
"Effect": "Allow",
|
||||
"Principal": "*",
|
||||
"Action": ["s3:GetObject"],
|
||||
"Resource": ["arn:aws:s3:::%s/${jwt:preferred_username}/*"]
|
||||
}]
|
||||
}`, bucketName)
|
||||
|
||||
_, err = adminClient.PutBucketPolicy(&s3.PutBucketPolicyInput{
|
||||
Bucket: aws.String(bucketName),
|
||||
Policy: aws.String(bucketPolicy),
|
||||
})
|
||||
require.NoError(t, err)
|
||||
|
||||
policyResult, err := adminClient.GetBucketPolicy(&s3.GetBucketPolicyInput{
|
||||
Bucket: aws.String(bucketName),
|
||||
})
|
||||
require.NoError(t, err)
|
||||
assert.Contains(t, *policyResult.Policy, "jwt:preferred_username")
|
||||
}
|
||||
|
||||
func TestS3PolicyVariablesUsernameIsolation(t *testing.T) {
|
||||
framework := NewS3IAMTestFramework(t)
|
||||
defer framework.Cleanup()
|
||||
|
||||
adminClient, err := framework.CreateS3ClientWithJWT("admin-user", "TestAdminRole")
|
||||
require.NoError(t, err)
|
||||
|
||||
bucketName := framework.GenerateUniqueBucketName("test-isolation")
|
||||
err = framework.CreateBucket(adminClient, bucketName)
|
||||
require.NoError(t, err)
|
||||
defer adminClient.DeleteBucket(&s3.DeleteBucketInput{Bucket: aws.String(bucketName)})
|
||||
|
||||
bucketPolicy := fmt.Sprintf(`{
|
||||
"Version": "2012-10-17",
|
||||
"Statement": [{
|
||||
"Sid": "AllowOwnFolder",
|
||||
"Effect": "Allow",
|
||||
"Principal": "*",
|
||||
"Action": ["s3:GetObject", "s3:PutObject"],
|
||||
"Resource": "arn:aws:s3:::%s/${aws:username}/*"
|
||||
}, {
|
||||
"Sid": "AllowListOwnPrefix",
|
||||
"Effect": "Allow",
|
||||
"Principal": "*",
|
||||
"Action": "s3:ListBucket",
|
||||
"Resource": "arn:aws:s3:::%s",
|
||||
"Condition": {
|
||||
"StringLike": {
|
||||
"s3:prefix": ["${aws:username}/*", "${aws:username}"]
|
||||
}
|
||||
}
|
||||
}, {
|
||||
"Sid": "DenyOtherFolders",
|
||||
"Effect": "Deny",
|
||||
"Principal": "*",
|
||||
"Action": ["s3:GetObject", "s3:PutObject", "s3:ListBucket"],
|
||||
"NotResource": "arn:aws:s3:::%s/${aws:username}/*"
|
||||
}]
|
||||
}`, bucketName, bucketName, bucketName)
|
||||
|
||||
_, err = adminClient.PutBucketPolicy(&s3.PutBucketPolicyInput{
|
||||
Bucket: aws.String(bucketName),
|
||||
Policy: aws.String(bucketPolicy),
|
||||
})
|
||||
require.NoError(t, err)
|
||||
|
||||
// Wait for policy to propagate (fix race condition)
|
||||
time.Sleep(2 * time.Second)
|
||||
|
||||
aliceClient, err := framework.CreateS3ClientWithJWT("alice", "TestReadOnlyRole")
|
||||
require.NoError(t, err)
|
||||
|
||||
bobClient, err := framework.CreateS3ClientWithJWT("bob", "TestReadOnlyRole")
|
||||
require.NoError(t, err)
|
||||
|
||||
_, err = aliceClient.PutObject(&s3.PutObjectInput{
|
||||
Bucket: aws.String(bucketName),
|
||||
Key: aws.String("alice/data.txt"),
|
||||
Body: strings.NewReader("Alice Private Data"),
|
||||
})
|
||||
assert.NoError(t, err, "Alice should be able to upload to her own folder")
|
||||
|
||||
_, err = aliceClient.PutObject(&s3.PutObjectInput{
|
||||
Bucket: aws.String(bucketName),
|
||||
Key: aws.String("bob/data.txt"),
|
||||
Body: strings.NewReader("Alice Intrusion"),
|
||||
})
|
||||
assert.Error(t, err, "Alice should be denied access to Bob's folder")
|
||||
|
||||
_, err = bobClient.PutObject(&s3.PutObjectInput{
|
||||
Bucket: aws.String(bucketName),
|
||||
Key: aws.String("bob/data.txt"),
|
||||
Body: strings.NewReader("Bob Private Data"),
|
||||
})
|
||||
assert.NoError(t, err, "Bob should be able to upload to his own folder")
|
||||
|
||||
_, err = bobClient.GetObject(&s3.GetObjectInput{
|
||||
Bucket: aws.String(bucketName),
|
||||
Key: aws.String("alice/data.txt"),
|
||||
})
|
||||
assert.Error(t, err, "Bob should be denied access to Alice's folder")
|
||||
|
||||
listAlice, err := aliceClient.ListObjects(&s3.ListObjectsInput{
|
||||
Bucket: aws.String(bucketName),
|
||||
Prefix: aws.String("alice/"),
|
||||
})
|
||||
assert.NoError(t, err)
|
||||
assert.Equal(t, 1, len(listAlice.Contents))
|
||||
|
||||
_, err = aliceClient.ListObjects(&s3.ListObjectsInput{
|
||||
Bucket: aws.String(bucketName),
|
||||
Prefix: aws.String("bob/"),
|
||||
})
|
||||
assert.Error(t, err, "Alice should be denied listing Bob's folder")
|
||||
}
|
||||
|
||||
func TestS3PolicyVariablesAccountEnforcement(t *testing.T) {
|
||||
framework := NewS3IAMTestFramework(t)
|
||||
defer framework.Cleanup()
|
||||
|
||||
adminClient, err := framework.CreateS3ClientWithJWT("admin-user", "TestAdminRole")
|
||||
require.NoError(t, err)
|
||||
|
||||
bucketName := framework.GenerateUniqueBucketName("test-account")
|
||||
err = framework.CreateBucket(adminClient, bucketName)
|
||||
require.NoError(t, err)
|
||||
defer adminClient.DeleteBucket(&s3.DeleteBucketInput{Bucket: aws.String(bucketName)})
|
||||
|
||||
bucketPolicy := fmt.Sprintf(`{
|
||||
"Version": "2012-10-17",
|
||||
"Statement": [{
|
||||
"Effect": "Deny",
|
||||
"Principal": "*",
|
||||
"Action": ["s3:*"],
|
||||
"Resource": ["arn:aws:s3:::%s/*"],
|
||||
"Condition": {
|
||||
"StringNotEquals": {
|
||||
"aws:PrincipalAccount": ["999988887777"]
|
||||
}
|
||||
}
|
||||
}, {
|
||||
"Effect": "Allow",
|
||||
"Principal": "*",
|
||||
"Action": ["s3:*"],
|
||||
"Resource": ["arn:aws:s3:::%s/*"]
|
||||
}]
|
||||
}`, bucketName, bucketName)
|
||||
|
||||
_, err = adminClient.PutBucketPolicy(&s3.PutBucketPolicyInput{
|
||||
Bucket: aws.String(bucketName),
|
||||
Policy: aws.String(bucketPolicy),
|
||||
})
|
||||
require.NoError(t, err)
|
||||
|
||||
authorizedClient, err := framework.CreateS3ClientWithCustomClaims("user1", "TestAdminRole", "999988887777", nil)
|
||||
require.NoError(t, err)
|
||||
|
||||
unauthorizedClient, err := framework.CreateS3ClientWithCustomClaims("user2", "TestAdminRole", "111122223333", nil)
|
||||
require.NoError(t, err)
|
||||
|
||||
_, err = authorizedClient.PutObject(&s3.PutObjectInput{
|
||||
Bucket: aws.String(bucketName),
|
||||
Key: aws.String("test.txt"),
|
||||
Body: strings.NewReader("Authorized Data"),
|
||||
})
|
||||
assert.NoError(t, err, "Authorized account should be able to upload")
|
||||
|
||||
_, err = unauthorizedClient.PutObject(&s3.PutObjectInput{
|
||||
Bucket: aws.String(bucketName),
|
||||
Key: aws.String("fail.txt"),
|
||||
Body: strings.NewReader("Unauthorized Data"),
|
||||
})
|
||||
assert.Error(t, err, "Unauthorized account should be denied")
|
||||
}
|
||||
|
||||
func TestS3PolicyVariablesJWTPreferredUsername(t *testing.T) {
|
||||
framework := NewS3IAMTestFramework(t)
|
||||
defer framework.Cleanup()
|
||||
|
||||
adminClient, err := framework.CreateS3ClientWithJWT("admin-user", "TestAdminRole")
|
||||
require.NoError(t, err)
|
||||
|
||||
bucketName := framework.GenerateUniqueBucketName("test-jwt-claim")
|
||||
err = framework.CreateBucket(adminClient, bucketName)
|
||||
require.NoError(t, err)
|
||||
defer adminClient.DeleteBucket(&s3.DeleteBucketInput{Bucket: aws.String(bucketName)})
|
||||
|
||||
bucketPolicy := fmt.Sprintf(`{
|
||||
"Version": "2012-10-17",
|
||||
"Statement": [{
|
||||
"Sid": "AllowOwnFolder",
|
||||
"Effect": "Allow",
|
||||
"Principal": "*",
|
||||
"Action": "s3:PutObject",
|
||||
"Resource": "arn:aws:s3:::%s/${jwt:preferred_username}/*"
|
||||
}, {
|
||||
"Sid": "DenyOtherFolders",
|
||||
"Effect": "Deny",
|
||||
"Principal": "*",
|
||||
"Action": "s3:PutObject",
|
||||
"NotResource": "arn:aws:s3:::%s/${jwt:preferred_username}/*"
|
||||
}]
|
||||
}`, bucketName, bucketName)
|
||||
|
||||
_, err = adminClient.PutBucketPolicy(&s3.PutBucketPolicyInput{
|
||||
Bucket: aws.String(bucketName),
|
||||
Policy: aws.String(bucketPolicy),
|
||||
})
|
||||
require.NoError(t, err)
|
||||
|
||||
claims := map[string]interface{}{
|
||||
"preferred_username": "jdoe",
|
||||
}
|
||||
client, err := framework.CreateS3ClientWithCustomClaims("jdoe", "TestReadOnlyRole", "", claims)
|
||||
require.NoError(t, err)
|
||||
|
||||
_, err = client.PutObject(&s3.PutObjectInput{
|
||||
Bucket: aws.String(bucketName),
|
||||
Key: aws.String("jdoe/file.txt"),
|
||||
Body: strings.NewReader("JWT Claim Data"),
|
||||
})
|
||||
assert.NoError(t, err, "Should allow access based on jwt:preferred_username")
|
||||
|
||||
_, err = client.PutObject(&s3.PutObjectInput{
|
||||
Bucket: aws.String(bucketName),
|
||||
Key: aws.String("other/file.txt"),
|
||||
Body: strings.NewReader("JWT Claim Data"),
|
||||
})
|
||||
assert.Error(t, err, "Should deny access if prefix doesn't match jwt:preferred_username")
|
||||
}
|
||||
|
||||
func TestS3PolicyVariablesLDAPClaims(t *testing.T) {
|
||||
framework := NewS3IAMTestFramework(t)
|
||||
defer framework.Cleanup()
|
||||
|
||||
adminClient, err := framework.CreateS3ClientWithJWT("admin-user", "TestAdminRole")
|
||||
require.NoError(t, err)
|
||||
|
||||
bucketName := framework.GenerateUniqueBucketName("test-ldap-claim")
|
||||
err = framework.CreateBucket(adminClient, bucketName)
|
||||
require.NoError(t, err)
|
||||
defer adminClient.DeleteBucket(&s3.DeleteBucketInput{Bucket: aws.String(bucketName)})
|
||||
|
||||
bucketPolicy := fmt.Sprintf(`{
|
||||
"Version": "2012-10-17",
|
||||
"Statement": [{
|
||||
"Effect": "Allow",
|
||||
"Principal": "*",
|
||||
"Action": ["s3:PutObject"],
|
||||
"Resource": ["arn:aws:s3:::%s/${ldap:username}/*"]
|
||||
}, {
|
||||
"Effect": "Allow",
|
||||
"Principal": "*",
|
||||
"Action": ["s3:GetObject"],
|
||||
"Resource": ["arn:aws:s3:::%s/*"],
|
||||
"Condition": {
|
||||
"StringEquals": {
|
||||
"ldap:dn": ["cn=manager,dc=example,dc=org"]
|
||||
}
|
||||
}
|
||||
}]
|
||||
}`, bucketName, bucketName)
|
||||
|
||||
_, err = adminClient.PutBucketPolicy(&s3.PutBucketPolicyInput{
|
||||
Bucket: aws.String(bucketName),
|
||||
Policy: aws.String(bucketPolicy),
|
||||
})
|
||||
require.NoError(t, err)
|
||||
|
||||
claims := map[string]interface{}{
|
||||
"ldap:username": "manager",
|
||||
"ldap:dn": "cn=manager,dc=example,dc=org",
|
||||
}
|
||||
client, err := framework.CreateS3ClientWithCustomClaims("manager", "TestReadOnlyRole", "", claims)
|
||||
require.NoError(t, err)
|
||||
|
||||
_, err = client.PutObject(&s3.PutObjectInput{
|
||||
Bucket: aws.String(bucketName),
|
||||
Key: aws.String("manager/data.txt"),
|
||||
Body: strings.NewReader("LDAP Upload"),
|
||||
})
|
||||
assert.NoError(t, err)
|
||||
|
||||
_, err = client.GetObject(&s3.GetObjectInput{
|
||||
Bucket: aws.String(bucketName),
|
||||
Key: aws.String("manager/data.txt"),
|
||||
})
|
||||
assert.NoError(t, err, "Should allow download based on ldap:dn condition")
|
||||
}
|
||||
76
test/s3/iam/test_iam_config.json
Normal file
76
test/s3/iam/test_iam_config.json
Normal file
@@ -0,0 +1,76 @@
|
||||
{
|
||||
"sts": {
|
||||
"issuer": "seaweedfs-sts",
|
||||
"signingKey": "dGVzdC1zaWduaW5nLWtleS0zMi1jaGFyYWN0ZXJzLWxvbmc=",
|
||||
"tokenDuration": "1h",
|
||||
"maxSessionLength": "12h"
|
||||
},
|
||||
"policy": {
|
||||
"defaultEffect": "Deny",
|
||||
"storeType": "memory"
|
||||
},
|
||||
"roles": [
|
||||
{
|
||||
"roleName": "TestAdminRole",
|
||||
"roleArn": "arn:aws:iam::123456789012:role/TestAdminRole",
|
||||
"trustPolicy": {
|
||||
"Version": "2012-10-17",
|
||||
"Statement": [
|
||||
{
|
||||
"Effect": "Allow",
|
||||
"Principal": {
|
||||
"Federated": "*"
|
||||
},
|
||||
"Action": [
|
||||
"sts:AssumeRoleWithWebIdentity"
|
||||
]
|
||||
}
|
||||
]
|
||||
},
|
||||
"attachedPolicies": [
|
||||
"AllowAll"
|
||||
]
|
||||
},
|
||||
{
|
||||
"roleName": "TestReadOnlyRole",
|
||||
"roleArn": "arn:aws:iam::123456789012:role/TestReadOnlyRole",
|
||||
"trustPolicy": {
|
||||
"Version": "2012-10-17",
|
||||
"Statement": [
|
||||
{
|
||||
"Effect": "Allow",
|
||||
"Principal": {
|
||||
"Federated": "*"
|
||||
},
|
||||
"Action": [
|
||||
"sts:AssumeRoleWithWebIdentity"
|
||||
]
|
||||
}
|
||||
]
|
||||
},
|
||||
"attachedPolicies": [
|
||||
"AllowAll"
|
||||
]
|
||||
}
|
||||
],
|
||||
"policies": [
|
||||
{
|
||||
"name": "AllowAll",
|
||||
"document": {
|
||||
"version": "2012-10-17",
|
||||
"statement": [
|
||||
{
|
||||
"effect": "Allow",
|
||||
"action": [
|
||||
"s3:*"
|
||||
],
|
||||
"resource": [
|
||||
"*"
|
||||
]
|
||||
}
|
||||
]
|
||||
}
|
||||
}
|
||||
],
|
||||
"providers": []
|
||||
}
|
||||
Reference in New Issue
Block a user