github.com/greenpau/go-authcrunch@v1.1.4/pkg/authn/api_add_user_gpg_key.go (about)

     1  // Copyright 2024 Paul Greenberg greenpau@outlook.com
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package authn
    16  
    17  import (
    18  	"context"
    19  	"fmt"
    20  	"net/http"
    21  	"regexp"
    22  	"strings"
    23  
    24  	"github.com/greenpau/go-authcrunch/pkg/authn/enums/operator"
    25  	"github.com/greenpau/go-authcrunch/pkg/ids"
    26  	"github.com/greenpau/go-authcrunch/pkg/requests"
    27  	"github.com/greenpau/go-authcrunch/pkg/tagging"
    28  	"github.com/greenpau/go-authcrunch/pkg/user"
    29  )
    30  
    31  var gpgKeyTitleRegexPattern = regexp.MustCompile(`^[\w\@\.\s\(\)<>,\-+:]+$`)
    32  
    33  // AddUserGPGKey adds GPG key to user identity.
    34  func (p *Portal) AddUserGPGKey(
    35  	ctx context.Context,
    36  	w http.ResponseWriter,
    37  	r *http.Request,
    38  	rr *requests.Request,
    39  	parsedUser *user.User,
    40  	resp map[string]interface{},
    41  	usr *user.User,
    42  	backend ids.IdentityStore,
    43  	bodyData map[string]interface{}) error {
    44  
    45  	var keyTitle, keyDescription, keyPayload string
    46  	var keyLabels []string = []string{}
    47  	var keyTags []tagging.Tag = []tagging.Tag{}
    48  
    49  	// Extract data.
    50  	if v, exists := bodyData["content"]; exists {
    51  		switch exp := v.(type) {
    52  		case string:
    53  			keyPayload = strings.TrimSpace(exp)
    54  		default:
    55  			resp["message"] = "Profile API did find key content in the request payload, but it is malformed"
    56  			return handleAPIProfileResponse(w, rr, http.StatusBadRequest, resp)
    57  		}
    58  	} else {
    59  		resp["message"] = "Profile API did not find key content in the request payload"
    60  		return handleAPIProfileResponse(w, rr, http.StatusBadRequest, resp)
    61  	}
    62  	if v, exists := bodyData["title"]; exists {
    63  		keyTitle = v.(string)
    64  	} else {
    65  		resp["message"] = "Profile API did not find title in the request payload"
    66  		return handleAPIProfileResponse(w, rr, http.StatusBadRequest, resp)
    67  	}
    68  	if v, exists := bodyData["description"]; exists {
    69  		keyDescription = v.(string)
    70  	} else {
    71  		resp["message"] = "Profile API did not find description in the request payload"
    72  		return handleAPIProfileResponse(w, rr, http.StatusBadRequest, resp)
    73  	}
    74  	if extractedTokenTags, err := tagging.ExtractTags(bodyData); err == nil {
    75  		for _, extractedTokenTag := range extractedTokenTags {
    76  			keyTags = append(keyTags, *extractedTokenTag)
    77  		}
    78  	} else {
    79  		resp["message"] = "Profile API find malformed tags in the request payload"
    80  		return handleAPIProfileResponse(w, rr, http.StatusBadRequest, resp)
    81  	}
    82  	if extractedTokenLabels, err := tagging.ExtractLabels(bodyData); err == nil {
    83  		keyLabels = extractedTokenLabels
    84  	} else {
    85  		resp["message"] = "Profile API find malformed tags in the request payload"
    86  		return handleAPIProfileResponse(w, rr, http.StatusBadRequest, resp)
    87  	}
    88  
    89  	// Validate data.
    90  	if !gpgKeyTitleRegexPattern.MatchString(keyTitle) {
    91  		resp["message"] = "Profile API found non-compliant GPG key title value"
    92  		return handleAPIProfileResponse(w, rr, http.StatusBadRequest, resp)
    93  	}
    94  	if !tokenDescriptionRegexPattern.MatchString(keyDescription) && (keyDescription != "") {
    95  		resp["message"] = "Profile API found non-compliant GPG key description value"
    96  		return handleAPIProfileResponse(w, rr, http.StatusBadRequest, resp)
    97  	}
    98  	if !gpgKeyRegexPattern1.MatchString(keyPayload) && !gpgKeyRegexPattern2.MatchString(keyPayload) {
    99  		resp["message"] = "Profile API found non-compliant GPG public key value"
   100  		return handleAPIProfileResponse(w, rr, http.StatusBadRequest, resp)
   101  	}
   102  
   103  	rr.Key.Usage = "gpg"
   104  	rr.Key.Comment = keyTitle
   105  	rr.Key.Description = keyDescription
   106  	rr.Key.Payload = keyPayload
   107  	rr.Key.Labels = keyLabels
   108  	rr.Key.Tags = keyTags
   109  
   110  	if err := backend.Request(operator.AddKeyGPG, rr); err != nil {
   111  		var errMsg string = fmt.Sprintf("the Profile API failed to add GPG key to identity store: %v", err)
   112  		resp["message"] = errMsg
   113  		return handleAPIProfileResponse(w, rr, http.StatusBadRequest, resp)
   114  	}
   115  
   116  	resp["entry"] = "Created"
   117  	return handleAPIProfileResponse(w, rr, http.StatusOK, resp)
   118  }