1 | /* Vuls - Vulnerability Scanner |
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2 | Copyright (C) 2016 Future Corporation , Japan. |
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3 | |||
4 | This program is free software: you can redistribute it and/or modify |
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5 | it under the terms of the GNU General Public License as published by |
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6 | the Free Software Foundation, either version 3 of the License, or |
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7 | (at your option) any later version. |
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8 | |||
9 | This program is distributed in the hope that it will be useful, |
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10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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12 | GNU General Public License for more details. |
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13 | |||
14 | You should have received a copy of the GNU General Public License |
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15 | along with this program. If not, see <http://www.gnu.org/licenses/>. |
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16 | */ |
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17 | |||
18 | package report |
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19 | |||
20 | import ( |
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21 | "bytes" |
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22 | "encoding/json" |
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23 | "encoding/xml" |
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24 | "fmt" |
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25 | "time" |
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26 | |||
27 | storage "github.com/Azure/azure-sdk-for-go/storage" |
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28 | "golang.org/x/xerrors" |
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29 | |||
30 | c "github.com/future-architect/vuls/config" |
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31 | "github.com/future-architect/vuls/models" |
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32 | ) |
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33 | |||
34 | // AzureBlobWriter writes results to AzureBlob |
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35 | type AzureBlobWriter struct{} |
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36 | |||
37 | // Write results to Azure Blob storage |
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38 | func (w AzureBlobWriter) Write(rs ...models.ScanResult) (err error) { |
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39 | if len(rs) == 0 { |
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40 | return nil |
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41 | } |
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42 | |||
43 | cli, err := getBlobClient() |
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44 | if err != nil { |
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45 | return err |
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46 | } |
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47 | |||
48 | if c.Conf.FormatOneLineText { |
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49 | timestr := rs[0].ScannedAt.Format(time.RFC3339) |
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50 | k := fmt.Sprintf(timestr + "/summary.txt") |
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51 | text := formatOneLineSummary(rs...) |
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52 | b := []byte(text) |
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53 | if err := createBlockBlob(cli, k, b); err != nil { |
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54 | return err |
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55 | } |
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56 | } |
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57 | |||
58 | for _, r := range rs { |
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59 | key := r.ReportKeyName() |
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60 | if c.Conf.FormatJSON { |
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61 | k := key + ".json" |
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62 | var b []byte |
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63 | if b, err = json.Marshal(r); err != nil { |
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64 | return xerrors.Errorf("Failed to Marshal to JSON: %w", err) |
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65 | } |
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66 | if err := createBlockBlob(cli, k, b); err != nil { |
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67 | return err |
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68 | } |
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69 | } |
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70 | |||
71 | if c.Conf.FormatList { |
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72 | k := key + "_short.txt" |
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73 | b := []byte(formatList(r)) |
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74 | if err := createBlockBlob(cli, k, b); err != nil { |
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75 | return err |
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76 | } |
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77 | } |
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78 | |||
79 | if c.Conf.FormatFullText { |
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80 | k := key + "_full.txt" |
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81 | b := []byte(formatFullPlainText(r)) |
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82 | if err := createBlockBlob(cli, k, b); err != nil { |
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83 | return err |
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84 | } |
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85 | } |
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86 | |||
87 | if c.Conf.FormatXML { |
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88 | k := key + ".xml" |
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89 | var b []byte |
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90 | if b, err = xml.Marshal(r); err != nil { |
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91 | return xerrors.Errorf("Failed to Marshal to XML: %w", err) |
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92 | } |
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93 | allBytes := bytes.Join([][]byte{[]byte(xml.Header + vulsOpenTag), b, []byte(vulsCloseTag)}, []byte{}) |
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94 | if err := createBlockBlob(cli, k, allBytes); err != nil { |
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95 | return err |
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96 | } |
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97 | } |
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98 | } |
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99 | return |
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100 | } |
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101 | |||
102 | // CheckIfAzureContainerExists check the existence of Azure storage container |
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103 | func CheckIfAzureContainerExists() error { |
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104 | cli, err := getBlobClient() |
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105 | if err != nil { |
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106 | return err |
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107 | } |
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108 | r, err := cli.ListContainers(storage.ListContainersParameters{}) |
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109 | if err != nil { |
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110 | return err |
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111 | } |
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112 | |||
113 | found := false |
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114 | for _, con := range r.Containers { |
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115 | if con.Name == c.Conf.Azure.ContainerName { |
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116 | found = true |
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117 | break |
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118 | } |
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119 | } |
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120 | if !found { |
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121 | return xerrors.Errorf("Container not found. Container: %s", c.Conf.Azure.ContainerName) |
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122 | } |
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123 | return nil |
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124 | } |
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125 | |||
126 | func getBlobClient() (storage.BlobStorageClient, error) { |
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127 | api, err := storage.NewBasicClient(c.Conf.Azure.AccountName, c.Conf.Azure.AccountKey) |
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128 | if err != nil { |
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129 | return storage.BlobStorageClient{}, err |
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130 | } |
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131 | return api.GetBlobService(), nil |
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132 | } |
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133 | |||
134 | func createBlockBlob(cli storage.BlobStorageClient, k string, b []byte) error { |
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135 | var err error |
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136 | if c.Conf.GZIP { |
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137 | if b, err = gz(b); err != nil { |
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138 | return err |
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139 | } |
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140 | k += ".gz" |
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141 | } |
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142 | |||
143 | ref := cli.GetContainerReference(c.Conf.Azure.ContainerName) |
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144 | blob := ref.GetBlobReference(k) |
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145 | if err := blob.CreateBlockBlobFromReader(bytes.NewReader(b), nil); err != nil { |
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146 | return xerrors.Errorf("Failed to upload data to %s/%s, err: %w", |
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147 | c.Conf.Azure.ContainerName, k, err) |
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148 | } |
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149 | return nil |
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150 | } |
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151 |