182
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1
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2 /*
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3 * Copyright (C) Igor Sysoev
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660
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4 * Copyright (C) Nginx, Inc.
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182
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5 */
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6
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7
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8 #include <ngx_config.h>
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9 #include <ngx_core.h>
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10 #include <ngx_http.h>
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11
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12
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286
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13 #define NGX_HTTP_DAV_COPY_BLOCK 65536
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14
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15 #define NGX_HTTP_DAV_OFF 2
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16
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17
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18 #define NGX_HTTP_DAV_NO_DEPTH -3
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19 #define NGX_HTTP_DAV_INVALID_DEPTH -2
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20 #define NGX_HTTP_DAV_INFINITY_DEPTH -1
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21
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182
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22
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23 typedef struct {
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24 ngx_uint_t methods;
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362
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25 ngx_uint_t access;
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26 ngx_uint_t min_delete_depth;
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186
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27 ngx_flag_t create_full_put_path;
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182
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28 } ngx_http_dav_loc_conf_t;
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29
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30
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286
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31 typedef struct {
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32 ngx_str_t path;
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33 size_t len;
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34 } ngx_http_dav_copy_ctx_t;
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35
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36
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182
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37 static ngx_int_t ngx_http_dav_handler(ngx_http_request_t *r);
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286
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38
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39 static void ngx_http_dav_put_handler(ngx_http_request_t *r);
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40
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41 static ngx_int_t ngx_http_dav_delete_handler(ngx_http_request_t *r);
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362
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42 static ngx_int_t ngx_http_dav_delete_path(ngx_http_request_t *r,
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43 ngx_str_t *path, ngx_uint_t dir);
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272
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44 static ngx_int_t ngx_http_dav_delete_dir(ngx_tree_ctx_t *ctx, ngx_str_t *path);
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45 static ngx_int_t ngx_http_dav_delete_file(ngx_tree_ctx_t *ctx, ngx_str_t *path);
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362
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46 static ngx_int_t ngx_http_dav_noop(ngx_tree_ctx_t *ctx, ngx_str_t *path);
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286
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47
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48 static ngx_int_t ngx_http_dav_mkcol_handler(ngx_http_request_t *r,
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49 ngx_http_dav_loc_conf_t *dlcf);
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50
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51 static ngx_int_t ngx_http_dav_copy_move_handler(ngx_http_request_t *r);
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52 static ngx_int_t ngx_http_dav_copy_dir(ngx_tree_ctx_t *ctx, ngx_str_t *path);
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53 static ngx_int_t ngx_http_dav_copy_dir_time(ngx_tree_ctx_t *ctx,
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54 ngx_str_t *path);
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362
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55 static ngx_int_t ngx_http_dav_copy_tree_file(ngx_tree_ctx_t *ctx,
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56 ngx_str_t *path);
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286
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57
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58 static ngx_int_t ngx_http_dav_depth(ngx_http_request_t *r, ngx_int_t dflt);
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59 static ngx_int_t ngx_http_dav_error(ngx_log_t *log, ngx_err_t err,
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186
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60 ngx_int_t not_found, char *failed, u_char *path);
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61 static ngx_int_t ngx_http_dav_location(ngx_http_request_t *r, u_char *path);
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182
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62 static void *ngx_http_dav_create_loc_conf(ngx_conf_t *cf);
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63 static char *ngx_http_dav_merge_loc_conf(ngx_conf_t *cf,
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64 void *parent, void *child);
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230
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65 static ngx_int_t ngx_http_dav_init(ngx_conf_t *cf);
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182
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66
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67
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68 static ngx_conf_bitmask_t ngx_http_dav_methods_mask[] = {
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69 { ngx_string("off"), NGX_HTTP_DAV_OFF },
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70 { ngx_string("put"), NGX_HTTP_PUT },
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71 { ngx_string("delete"), NGX_HTTP_DELETE },
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186
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72 { ngx_string("mkcol"), NGX_HTTP_MKCOL },
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286
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73 { ngx_string("copy"), NGX_HTTP_COPY },
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74 { ngx_string("move"), NGX_HTTP_MOVE },
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182
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75 { ngx_null_string, 0 }
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76 };
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77
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78
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79 static ngx_command_t ngx_http_dav_commands[] = {
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80
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81 { ngx_string("dav_methods"),
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82 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
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83 ngx_conf_set_bitmask_slot,
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84 NGX_HTTP_LOC_CONF_OFFSET,
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85 offsetof(ngx_http_dav_loc_conf_t, methods),
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86 &ngx_http_dav_methods_mask },
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87
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186
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88 { ngx_string("create_full_put_path"),
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89 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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90 ngx_conf_set_flag_slot,
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91 NGX_HTTP_LOC_CONF_OFFSET,
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92 offsetof(ngx_http_dav_loc_conf_t, create_full_put_path),
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93 NULL },
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94
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362
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95 { ngx_string("min_delete_depth"),
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96 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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97 ngx_conf_set_num_slot,
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98 NGX_HTTP_LOC_CONF_OFFSET,
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99 offsetof(ngx_http_dav_loc_conf_t, min_delete_depth),
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100 NULL },
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101
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218
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102 { ngx_string("dav_access"),
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224
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103 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE123,
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320
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104 ngx_conf_set_access_slot,
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218
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105 NGX_HTTP_LOC_CONF_OFFSET,
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320
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106 offsetof(ngx_http_dav_loc_conf_t, access),
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218
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107 NULL },
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108
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182
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109 ngx_null_command
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110 };
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111
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112
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216
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113 static ngx_http_module_t ngx_http_dav_module_ctx = {
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182
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114 NULL, /* preconfiguration */
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230
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115 ngx_http_dav_init, /* postconfiguration */
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182
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116
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117 NULL, /* create main configuration */
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118 NULL, /* init main configuration */
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119
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120 NULL, /* create server configuration */
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121 NULL, /* merge server configuration */
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122
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123 ngx_http_dav_create_loc_conf, /* create location configuration */
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124 ngx_http_dav_merge_loc_conf /* merge location configuration */
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125 };
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126
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127
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128 ngx_module_t ngx_http_dav_module = {
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129 NGX_MODULE_V1,
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130 &ngx_http_dav_module_ctx, /* module context */
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131 ngx_http_dav_commands, /* module directives */
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132 NGX_HTTP_MODULE, /* module type */
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133 NULL, /* init master */
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230
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134 NULL, /* init module */
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182
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135 NULL, /* init process */
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136 NULL, /* init thread */
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137 NULL, /* exit thread */
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138 NULL, /* exit process */
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139 NULL, /* exit master */
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140 NGX_MODULE_V1_PADDING
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141 };
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142
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143
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144 static ngx_int_t
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145 ngx_http_dav_handler(ngx_http_request_t *r)
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146 {
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147 ngx_int_t rc;
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148 ngx_http_dav_loc_conf_t *dlcf;
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149
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150 dlcf = ngx_http_get_module_loc_conf(r, ngx_http_dav_module);
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151
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152 if (!(r->method & dlcf->methods)) {
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153 return NGX_DECLINED;
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154 }
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155
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156 switch (r->method) {
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157
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158 case NGX_HTTP_PUT:
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159
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160 if (r->uri.data[r->uri.len - 1] == '/') {
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362
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161 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
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640
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162 "cannot PUT to a collection");
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362
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163 return NGX_HTTP_CONFLICT;
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182
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164 }
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165
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166 r->request_body_in_file_only = 1;
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167 r->request_body_in_persistent_file = 1;
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278
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168 r->request_body_in_clean_file = 1;
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182
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169 r->request_body_file_group_access = 1;
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186
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170 r->request_body_file_log_level = 0;
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182
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171
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172 rc = ngx_http_read_client_request_body(r, ngx_http_dav_put_handler);
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173
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174 if (rc >= NGX_HTTP_SPECIAL_RESPONSE) {
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175 return rc;
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176 }
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177
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178 return NGX_DONE;
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179
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180 case NGX_HTTP_DELETE:
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181
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286
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182 return ngx_http_dav_delete_handler(r);
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186
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183
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184 case NGX_HTTP_MKCOL:
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185
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286
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186 return ngx_http_dav_mkcol_handler(r, dlcf);
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186
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187
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286
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188 case NGX_HTTP_COPY:
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186
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189
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286
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190 return ngx_http_dav_copy_move_handler(r);
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186
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191
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286
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192 case NGX_HTTP_MOVE:
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186
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193
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286
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194 return ngx_http_dav_copy_move_handler(r);
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182
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195 }
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196
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197 return NGX_DECLINED;
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198 }
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199
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200
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201 static void
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202 ngx_http_dav_put_handler(ngx_http_request_t *r)
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203 {
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248
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204 size_t root;
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230
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205 time_t date;
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186
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206 ngx_str_t *temp, path;
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362
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207 ngx_uint_t status;
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186
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208 ngx_file_info_t fi;
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362
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209 ngx_ext_rename_file_t ext;
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186
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210 ngx_http_dav_loc_conf_t *dlcf;
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182
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211
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692
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212 if (r->request_body == NULL || r->request_body->temp_file == NULL) {
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213 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
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214 return;
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215 }
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216
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248
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217 ngx_http_map_uri_to_path(r, &path, &root, 0);
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182
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218
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516
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219 path.len--;
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220
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182
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221 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
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222 "http put filename: \"%s\"", path.data);
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223
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224 temp = &r->request_body->temp_file->file.name;
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225
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484
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226 if (ngx_file_info(path.data, &fi) == NGX_FILE_ERROR) {
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182
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227 status = NGX_HTTP_CREATED;
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228
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229 } else {
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230 status = NGX_HTTP_NO_CONTENT;
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212
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231
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232 if (ngx_is_dir(&fi)) {
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233 ngx_log_error(NGX_LOG_ERR, r->connection->log, NGX_EISDIR,
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234 "\"%s\" could not be created", path.data);
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182
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235
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212
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236 if (ngx_delete_file(temp->data) == NGX_FILE_ERROR) {
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237 ngx_log_error(NGX_LOG_CRIT, r->connection->log, ngx_errno,
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238 ngx_delete_file_n " \"%s\" failed",
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239 temp->data);
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240 }
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241
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242 ngx_http_finalize_request(r, NGX_HTTP_CONFLICT);
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243 return;
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210
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244 }
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186
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245 }
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246
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218
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247 dlcf = ngx_http_get_module_loc_conf(r, ngx_http_dav_module);
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248
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362
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249 ext.access = dlcf->access;
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430
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250 ext.path_access = dlcf->access;
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362
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251 ext.time = -1;
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252 ext.create_path = dlcf->create_full_put_path;
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366
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253 ext.delete_file = 1;
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362
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254 ext.log = r->connection->log;
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218
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255
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230
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256 if (r->headers_in.date) {
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257 date = ngx_http_parse_time(r->headers_in.date->value.data,
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258 r->headers_in.date->value.len);
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259
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260 if (date != NGX_ERROR) {
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362
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261 ext.time = date;
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262 ext.fd = r->request_body->temp_file->file.fd;
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230
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263 }
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264 }
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265
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362
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266 if (ngx_ext_rename_file(temp, &path, &ext) != NGX_OK) {
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267 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
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268 return;
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186
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269 }
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270
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182
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271 if (status == NGX_HTTP_CREATED) {
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186
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272 if (ngx_http_dav_location(r, path.data) != NGX_OK) {
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182
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273 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
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274 return;
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275 }
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188
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276
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277 r->headers_out.content_length_n = 0;
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182
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278 }
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279
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280 r->headers_out.status = status;
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281 r->header_only = 1;
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282
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283 ngx_http_finalize_request(r, ngx_http_send_header(r));
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284 return;
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285 }
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286
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287
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186
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288 static ngx_int_t
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286
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289 ngx_http_dav_delete_handler(ngx_http_request_t *r)
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290 {
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362
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291 size_t root;
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292 ngx_err_t err;
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293 ngx_int_t rc, depth;
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294 ngx_uint_t i, d, dir;
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295 ngx_str_t path;
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296 ngx_file_info_t fi;
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297 ngx_http_dav_loc_conf_t *dlcf;
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286
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298
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299 if (r->headers_in.content_length_n > 0) {
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362
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300 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
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301 "DELETE with body is unsupported");
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286
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302 return NGX_HTTP_UNSUPPORTED_MEDIA_TYPE;
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303 }
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304
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362
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305 dlcf = ngx_http_get_module_loc_conf(r, ngx_http_dav_module);
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306
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307 if (dlcf->min_delete_depth) {
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308 d = 0;
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286
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309
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362
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310 for (i = 0; i < r->uri.len; /* void */) {
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311 if (r->uri.data[i++] == '/') {
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312 if (++d >= dlcf->min_delete_depth && i < r->uri.len) {
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313 goto ok;
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314 }
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315 }
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316 }
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317
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318 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
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319 "insufficient URI depth:%i to DELETE", d);
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320 return NGX_HTTP_CONFLICT;
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286
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321 }
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322
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362
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323 ok:
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324
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286
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325 ngx_http_map_uri_to_path(r, &path, &root, 0);
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326
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327 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
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328 "http delete filename: \"%s\"", path.data);
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329
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568
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330 if (ngx_link_info(path.data, &fi) == NGX_FILE_ERROR) {
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362
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331 err = ngx_errno;
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332
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333 rc = (err == NGX_ENOTDIR) ? NGX_HTTP_CONFLICT : NGX_HTTP_NOT_FOUND;
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334
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335 return ngx_http_dav_error(r->connection->log, err,
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568
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336 rc, ngx_link_info_n, path.data);
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286
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337 }
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338
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339 if (ngx_is_dir(&fi)) {
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340
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341 if (r->uri.data[r->uri.len - 1] != '/') {
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362
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342 ngx_log_error(NGX_LOG_ERR, r->connection->log, NGX_EISDIR,
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343 "DELETE \"%s\" failed", path.data);
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344 return NGX_HTTP_CONFLICT;
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286
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345 }
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346
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347 depth = ngx_http_dav_depth(r, NGX_HTTP_DAV_INFINITY_DEPTH);
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348
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349 if (depth != NGX_HTTP_DAV_INFINITY_DEPTH) {
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362
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350 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
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351 "\"Depth\" header must be infinity");
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286
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352 return NGX_HTTP_BAD_REQUEST;
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353 }
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354
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355 path.len -= 2; /* omit "/\0" */
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356
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357 dir = 1;
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358
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359 } else {
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360
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362
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361 /*
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362 * we do not need to test (r->uri.data[r->uri.len - 1] == '/')
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568
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363 * because ngx_link_info("/file/") returned NGX_ENOTDIR above
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362
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364 */
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365
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286
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366 depth = ngx_http_dav_depth(r, 0);
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367
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368 if (depth != 0 && depth != NGX_HTTP_DAV_INFINITY_DEPTH) {
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362
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369 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
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370 "\"Depth\" header must be 0 or infinity");
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286
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371 return NGX_HTTP_BAD_REQUEST;
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372 }
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373
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374 dir = 0;
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375 }
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376
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377 rc = ngx_http_dav_delete_path(r, &path, dir);
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378
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379 if (rc == NGX_OK) {
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380 return NGX_HTTP_NO_CONTENT;
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381 }
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382
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383 return rc;
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384 }
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385
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386
|
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387 static ngx_int_t
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362
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388 ngx_http_dav_delete_path(ngx_http_request_t *r, ngx_str_t *path, ngx_uint_t dir)
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286
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389 {
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362
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390 char *failed;
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391 ngx_tree_ctx_t tree;
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392
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393 if (dir) {
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394
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395 tree.init_handler = NULL;
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396 tree.file_handler = ngx_http_dav_delete_file;
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397 tree.pre_tree_handler = ngx_http_dav_noop;
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398 tree.post_tree_handler = ngx_http_dav_delete_dir;
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399 tree.spec_handler = ngx_http_dav_delete_file;
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400 tree.data = NULL;
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401 tree.alloc = 0;
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402 tree.log = r->connection->log;
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403
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404 /* TODO: 207 */
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405
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406 if (ngx_walk_tree(&tree, path) != NGX_OK) {
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407 return NGX_HTTP_INTERNAL_SERVER_ERROR;
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408 }
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409
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410 if (ngx_delete_dir(path->data) != NGX_FILE_ERROR) {
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411 return NGX_OK;
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412 }
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413
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414 failed = ngx_delete_dir_n;
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415
|
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416 } else {
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417
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418 if (ngx_delete_file(path->data) != NGX_FILE_ERROR) {
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419 return NGX_OK;
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420 }
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421
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422 failed = ngx_delete_file_n;
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423 }
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424
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425 return ngx_http_dav_error(r->connection->log, ngx_errno,
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426 NGX_HTTP_NOT_FOUND, failed, path->data);
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286
|
427 }
|
|
428
|
|
429
|
|
430 static ngx_int_t
|
|
431 ngx_http_dav_delete_dir(ngx_tree_ctx_t *ctx, ngx_str_t *path)
|
|
432 {
|
|
433 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, ctx->log, 0,
|
|
434 "http delete dir: \"%s\"", path->data);
|
|
435
|
|
436 if (ngx_delete_dir(path->data) == NGX_FILE_ERROR) {
|
|
437
|
|
438 /* TODO: add to 207 */
|
|
439
|
|
440 (void) ngx_http_dav_error(ctx->log, ngx_errno, 0, ngx_delete_dir_n,
|
|
441 path->data);
|
|
442 }
|
|
443
|
|
444 return NGX_OK;
|
|
445 }
|
|
446
|
|
447
|
|
448 static ngx_int_t
|
|
449 ngx_http_dav_delete_file(ngx_tree_ctx_t *ctx, ngx_str_t *path)
|
|
450 {
|
|
451 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, ctx->log, 0,
|
|
452 "http delete file: \"%s\"", path->data);
|
|
453
|
|
454 if (ngx_delete_file(path->data) == NGX_FILE_ERROR) {
|
|
455
|
|
456 /* TODO: add to 207 */
|
|
457
|
|
458 (void) ngx_http_dav_error(ctx->log, ngx_errno, 0, ngx_delete_file_n,
|
|
459 path->data);
|
|
460 }
|
|
461
|
|
462 return NGX_OK;
|
|
463 }
|
|
464
|
|
465
|
|
466 static ngx_int_t
|
362
|
467 ngx_http_dav_noop(ngx_tree_ctx_t *ctx, ngx_str_t *path)
|
|
468 {
|
|
469 return NGX_OK;
|
|
470 }
|
|
471
|
|
472
|
|
473 static ngx_int_t
|
286
|
474 ngx_http_dav_mkcol_handler(ngx_http_request_t *r, ngx_http_dav_loc_conf_t *dlcf)
|
|
475 {
|
362
|
476 u_char *p;
|
286
|
477 size_t root;
|
|
478 ngx_str_t path;
|
|
479
|
|
480 if (r->headers_in.content_length_n > 0) {
|
362
|
481 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
482 "MKCOL with body is unsupported");
|
286
|
483 return NGX_HTTP_UNSUPPORTED_MEDIA_TYPE;
|
|
484 }
|
|
485
|
362
|
486 if (r->uri.data[r->uri.len - 1] != '/') {
|
|
487 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
488 "MKCOL can create a collection only");
|
|
489 return NGX_HTTP_CONFLICT;
|
286
|
490 }
|
|
491
|
362
|
492 p = ngx_http_map_uri_to_path(r, &path, &root, 0);
|
|
493
|
|
494 *(p - 1) = '\0';
|
532
|
495 r->uri.len--;
|
286
|
496
|
|
497 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
498 "http mkcol path: \"%s\"", path.data);
|
|
499
|
|
500 if (ngx_create_dir(path.data, ngx_dir_access(dlcf->access))
|
|
501 != NGX_FILE_ERROR)
|
|
502 {
|
|
503 if (ngx_http_dav_location(r, path.data) != NGX_OK) {
|
|
504 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
505 }
|
|
506
|
|
507 return NGX_HTTP_CREATED;
|
|
508 }
|
|
509
|
|
510 return ngx_http_dav_error(r->connection->log, ngx_errno,
|
362
|
511 NGX_HTTP_CONFLICT, ngx_create_dir_n, path.data);
|
286
|
512 }
|
|
513
|
|
514
|
|
515 static ngx_int_t
|
|
516 ngx_http_dav_copy_move_handler(ngx_http_request_t *r)
|
|
517 {
|
376
|
518 u_char *p, *host, *last, ch;
|
362
|
519 size_t len, root;
|
286
|
520 ngx_err_t err;
|
|
521 ngx_int_t rc, depth;
|
530
|
522 ngx_uint_t overwrite, slash, dir, flags;
|
|
523 ngx_str_t path, uri, duri, args;
|
286
|
524 ngx_tree_ctx_t tree;
|
514
|
525 ngx_copy_file_t cf;
|
286
|
526 ngx_file_info_t fi;
|
376
|
527 ngx_table_elt_t *dest, *over;
|
430
|
528 ngx_ext_rename_file_t ext;
|
286
|
529 ngx_http_dav_copy_ctx_t copy;
|
362
|
530 ngx_http_dav_loc_conf_t *dlcf;
|
286
|
531
|
|
532 if (r->headers_in.content_length_n > 0) {
|
|
533 return NGX_HTTP_UNSUPPORTED_MEDIA_TYPE;
|
|
534 }
|
|
535
|
|
536 dest = r->headers_in.destination;
|
|
537
|
|
538 if (dest == NULL) {
|
|
539 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
540 "client sent no \"Destination\" header");
|
|
541 return NGX_HTTP_BAD_REQUEST;
|
|
542 }
|
|
543
|
578
|
544 p = dest->value.data;
|
|
545 /* there is always '\0' even after empty header value */
|
|
546 if (p[0] == '/') {
|
|
547 last = p + dest->value.len;
|
|
548 goto destination_done;
|
|
549 }
|
|
550
|
376
|
551 len = r->headers_in.server.len;
|
362
|
552
|
376
|
553 if (len == 0) {
|
362
|
554 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
555 "client sent no \"Host\" header");
|
|
556 return NGX_HTTP_BAD_REQUEST;
|
286
|
557 }
|
|
558
|
|
559 #if (NGX_HTTP_SSL)
|
|
560
|
|
561 if (r->connection->ssl) {
|
|
562 if (ngx_strncmp(dest->value.data, "https://", sizeof("https://") - 1)
|
|
563 != 0)
|
|
564 {
|
|
565 goto invalid_destination;
|
|
566 }
|
|
567
|
376
|
568 host = dest->value.data + sizeof("https://") - 1;
|
286
|
569
|
|
570 } else
|
|
571 #endif
|
|
572 {
|
|
573 if (ngx_strncmp(dest->value.data, "http://", sizeof("http://") - 1)
|
|
574 != 0)
|
|
575 {
|
|
576 goto invalid_destination;
|
|
577 }
|
|
578
|
376
|
579 host = dest->value.data + sizeof("http://") - 1;
|
286
|
580 }
|
|
581
|
376
|
582 if (ngx_strncmp(host, r->headers_in.server.data, len) != 0) {
|
286
|
583 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
362
|
584 "\"Destination\" URI \"%V\" is handled by "
|
286
|
585 "different repository than the source URI",
|
|
586 &dest->value);
|
|
587 return NGX_HTTP_BAD_REQUEST;
|
|
588 }
|
|
589
|
|
590 last = dest->value.data + dest->value.len;
|
|
591
|
376
|
592 for (p = host + len; p < last; p++) {
|
286
|
593 if (*p == '/') {
|
|
594 goto destination_done;
|
|
595 }
|
|
596 }
|
|
597
|
|
598 invalid_destination:
|
|
599
|
|
600 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
601 "client sent invalid \"Destination\" header: \"%V\"",
|
|
602 &dest->value);
|
|
603 return NGX_HTTP_BAD_REQUEST;
|
|
604
|
|
605 destination_done:
|
|
606
|
530
|
607 duri.len = last - p;
|
|
608 duri.data = p;
|
|
609 flags = 0;
|
|
610
|
|
611 if (ngx_http_parse_unsafe_uri(r, &duri, &args, &flags) != NGX_OK) {
|
|
612 goto invalid_destination;
|
|
613 }
|
|
614
|
362
|
615 if ((r->uri.data[r->uri.len - 1] == '/' && *(last - 1) != '/')
|
|
616 || (r->uri.data[r->uri.len - 1] != '/' && *(last - 1) == '/'))
|
|
617 {
|
|
618 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
619 "both URI \"%V\" and \"Destination\" URI \"%V\" "
|
|
620 "should be either collections or non-collections",
|
|
621 &r->uri, &dest->value);
|
|
622 return NGX_HTTP_CONFLICT;
|
|
623 }
|
|
624
|
|
625 depth = ngx_http_dav_depth(r, NGX_HTTP_DAV_INFINITY_DEPTH);
|
286
|
626
|
362
|
627 if (depth != NGX_HTTP_DAV_INFINITY_DEPTH) {
|
|
628
|
|
629 if (r->method == NGX_HTTP_COPY) {
|
|
630 if (depth != 0) {
|
|
631 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
632 "\"Depth\" header must be 0 or infinity");
|
|
633 return NGX_HTTP_BAD_REQUEST;
|
|
634 }
|
|
635
|
|
636 } else {
|
|
637 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
638 "\"Depth\" header must be infinity");
|
|
639 return NGX_HTTP_BAD_REQUEST;
|
|
640 }
|
286
|
641 }
|
296
|
642
|
286
|
643 over = r->headers_in.overwrite;
|
|
644
|
|
645 if (over) {
|
|
646 if (over->value.len == 1) {
|
|
647 ch = over->value.data[0];
|
|
648
|
|
649 if (ch == 'T' || ch == 't') {
|
|
650 overwrite = 1;
|
|
651 goto overwrite_done;
|
|
652 }
|
|
653
|
|
654 if (ch == 'F' || ch == 'f') {
|
|
655 overwrite = 0;
|
|
656 goto overwrite_done;
|
|
657 }
|
|
658
|
|
659 }
|
|
660
|
|
661 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
662 "client sent invalid \"Overwrite\" header: \"%V\"",
|
|
663 &over->value);
|
|
664 return NGX_HTTP_BAD_REQUEST;
|
|
665 }
|
|
666
|
|
667 overwrite = 1;
|
|
668
|
|
669 overwrite_done:
|
|
670
|
|
671 ngx_http_map_uri_to_path(r, &path, &root, 0);
|
|
672
|
|
673 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
674 "http copy from: \"%s\"", path.data);
|
|
675
|
|
676 uri = r->uri;
|
530
|
677 r->uri = duri;
|
286
|
678
|
|
679 ngx_http_map_uri_to_path(r, ©.path, &root, 0);
|
|
680
|
|
681 r->uri = uri;
|
|
682
|
|
683 copy.path.len--; /* omit "\0" */
|
|
684
|
|
685 if (copy.path.data[copy.path.len - 1] == '/') {
|
|
686 slash = 1;
|
|
687 copy.path.len--;
|
|
688 copy.path.data[copy.path.len] = '\0';
|
|
689
|
|
690 } else {
|
|
691 slash = 0;
|
|
692 }
|
|
693
|
|
694 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
695 "http copy to: \"%s\"", copy.path.data);
|
|
696
|
568
|
697 if (ngx_link_info(copy.path.data, &fi) == NGX_FILE_ERROR) {
|
286
|
698 err = ngx_errno;
|
|
699
|
|
700 if (err != NGX_ENOENT) {
|
|
701 return ngx_http_dav_error(r->connection->log, err,
|
568
|
702 NGX_HTTP_NOT_FOUND, ngx_link_info_n,
|
286
|
703 copy.path.data);
|
|
704 }
|
|
705
|
|
706 /* destination does not exist */
|
|
707
|
362
|
708 overwrite = 0;
|
|
709 dir = 0;
|
|
710
|
286
|
711 } else {
|
|
712
|
|
713 /* destination exists */
|
|
714
|
|
715 if (ngx_is_dir(&fi) && !slash) {
|
362
|
716 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
717 "\"%V\" could not be %Ved to collection \"%V\"",
|
|
718 &r->uri, &r->method_name, &dest->value);
|
286
|
719 return NGX_HTTP_CONFLICT;
|
|
720 }
|
|
721
|
|
722 if (!overwrite) {
|
362
|
723 ngx_log_error(NGX_LOG_ERR, r->connection->log, NGX_EEXIST,
|
|
724 "\"%s\" could not be created", copy.path.data);
|
286
|
725 return NGX_HTTP_PRECONDITION_FAILED;
|
|
726 }
|
|
727
|
362
|
728 dir = ngx_is_dir(&fi);
|
286
|
729 }
|
|
730
|
568
|
731 if (ngx_link_info(path.data, &fi) == NGX_FILE_ERROR) {
|
286
|
732 return ngx_http_dav_error(r->connection->log, ngx_errno,
|
568
|
733 NGX_HTTP_NOT_FOUND, ngx_link_info_n,
|
286
|
734 path.data);
|
|
735 }
|
|
736
|
|
737 if (ngx_is_dir(&fi)) {
|
|
738
|
|
739 if (r->uri.data[r->uri.len - 1] != '/') {
|
362
|
740 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
741 "\"%V\" is collection", &r->uri);
|
286
|
742 return NGX_HTTP_BAD_REQUEST;
|
|
743 }
|
|
744
|
362
|
745 if (overwrite) {
|
|
746 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
747 "http delete: \"%s\"", copy.path.data);
|
|
748
|
|
749 rc = ngx_http_dav_delete_path(r, ©.path, dir);
|
|
750
|
|
751 if (rc != NGX_OK) {
|
|
752 return rc;
|
|
753 }
|
|
754 }
|
|
755 }
|
|
756
|
|
757 if (ngx_is_dir(&fi)) {
|
|
758
|
286
|
759 path.len -= 2; /* omit "/\0" */
|
|
760
|
|
761 if (r->method == NGX_HTTP_MOVE) {
|
|
762 if (ngx_rename_file(path.data, copy.path.data) != NGX_FILE_ERROR) {
|
|
763 return NGX_HTTP_CREATED;
|
|
764 }
|
|
765 }
|
|
766
|
|
767 if (ngx_create_dir(copy.path.data, ngx_file_access(&fi))
|
|
768 == NGX_FILE_ERROR)
|
|
769 {
|
|
770 return ngx_http_dav_error(r->connection->log, ngx_errno,
|
|
771 NGX_HTTP_NOT_FOUND,
|
|
772 ngx_create_dir_n, copy.path.data);
|
|
773 }
|
|
774
|
|
775 copy.len = path.len;
|
|
776
|
358
|
777 tree.init_handler = NULL;
|
362
|
778 tree.file_handler = ngx_http_dav_copy_tree_file;
|
286
|
779 tree.pre_tree_handler = ngx_http_dav_copy_dir;
|
|
780 tree.post_tree_handler = ngx_http_dav_copy_dir_time;
|
|
781 tree.spec_handler = ngx_http_dav_noop;
|
|
782 tree.data = ©
|
|
783 tree.alloc = 0;
|
|
784 tree.log = r->connection->log;
|
|
785
|
|
786 if (ngx_walk_tree(&tree, &path) == NGX_OK) {
|
|
787
|
|
788 if (r->method == NGX_HTTP_MOVE) {
|
|
789 rc = ngx_http_dav_delete_path(r, &path, 1);
|
|
790
|
|
791 if (rc != NGX_OK) {
|
|
792 return rc;
|
|
793 }
|
|
794 }
|
|
795
|
|
796 return NGX_HTTP_CREATED;
|
|
797 }
|
|
798
|
|
799 } else {
|
|
800
|
|
801 if (r->method == NGX_HTTP_MOVE) {
|
430
|
802
|
|
803 dlcf = ngx_http_get_module_loc_conf(r, ngx_http_dav_module);
|
|
804
|
|
805 ext.access = 0;
|
|
806 ext.path_access = dlcf->access;
|
|
807 ext.time = -1;
|
|
808 ext.create_path = 1;
|
|
809 ext.delete_file = 0;
|
|
810 ext.log = r->connection->log;
|
|
811
|
|
812 if (ngx_ext_rename_file(&path, ©.path, &ext) == NGX_OK) {
|
286
|
813 return NGX_HTTP_NO_CONTENT;
|
|
814 }
|
430
|
815
|
514
|
816 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
286
|
817 }
|
|
818
|
362
|
819 dlcf = ngx_http_get_module_loc_conf(r, ngx_http_dav_module);
|
|
820
|
514
|
821 cf.size = ngx_file_size(&fi);
|
|
822 cf.buf_size = 0;
|
|
823 cf.access = dlcf->access;
|
|
824 cf.time = ngx_file_mtime(&fi);
|
|
825 cf.log = r->connection->log;
|
286
|
826
|
514
|
827 if (ngx_copy_file(path.data, copy.path.data, &cf) == NGX_OK) {
|
286
|
828 return NGX_HTTP_NO_CONTENT;
|
|
829 }
|
|
830 }
|
|
831
|
|
832 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
833 }
|
|
834
|
|
835
|
|
836 static ngx_int_t
|
|
837 ngx_http_dav_copy_dir(ngx_tree_ctx_t *ctx, ngx_str_t *path)
|
|
838 {
|
|
839 u_char *p, *dir;
|
|
840 size_t len;
|
|
841 ngx_http_dav_copy_ctx_t *copy;
|
|
842
|
|
843 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, ctx->log, 0,
|
|
844 "http copy dir: \"%s\"", path->data);
|
|
845
|
|
846 copy = ctx->data;
|
|
847
|
|
848 len = copy->path.len + path->len;
|
|
849
|
|
850 dir = ngx_alloc(len + 1, ctx->log);
|
|
851 if (dir == NULL) {
|
|
852 return NGX_ABORT;
|
|
853 }
|
|
854
|
|
855 p = ngx_cpymem(dir, copy->path.data, copy->path.len);
|
|
856 (void) ngx_cpystrn(p, path->data + copy->len, path->len - copy->len + 1);
|
|
857
|
|
858 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, ctx->log, 0,
|
|
859 "http copy dir to: \"%s\"", dir);
|
|
860
|
|
861 if (ngx_create_dir(dir, ngx_dir_access(ctx->access)) == NGX_FILE_ERROR) {
|
|
862 (void) ngx_http_dav_error(ctx->log, ngx_errno, 0, ngx_create_dir_n,
|
|
863 dir);
|
|
864 }
|
|
865
|
|
866 ngx_free(dir);
|
|
867
|
|
868 return NGX_OK;
|
|
869 }
|
|
870
|
|
871
|
|
872 static ngx_int_t
|
|
873 ngx_http_dav_copy_dir_time(ngx_tree_ctx_t *ctx, ngx_str_t *path)
|
|
874 {
|
|
875 u_char *p, *dir;
|
|
876 size_t len;
|
|
877 ngx_http_dav_copy_ctx_t *copy;
|
|
878
|
|
879 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, ctx->log, 0,
|
|
880 "http copy dir time: \"%s\"", path->data);
|
|
881
|
|
882 copy = ctx->data;
|
|
883
|
|
884 len = copy->path.len + path->len;
|
|
885
|
|
886 dir = ngx_alloc(len + 1, ctx->log);
|
|
887 if (dir == NULL) {
|
|
888 return NGX_ABORT;
|
|
889 }
|
|
890
|
|
891 p = ngx_cpymem(dir, copy->path.data, copy->path.len);
|
|
892 (void) ngx_cpystrn(p, path->data + copy->len, path->len - copy->len + 1);
|
|
893
|
|
894 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, ctx->log, 0,
|
|
895 "http copy dir time to: \"%s\"", dir);
|
|
896
|
362
|
897 #if (NGX_WIN32)
|
|
898 {
|
|
899 ngx_fd_t fd;
|
286
|
900
|
|
901 fd = ngx_open_file(dir, NGX_FILE_RDWR, NGX_FILE_OPEN, 0);
|
|
902
|
|
903 if (fd == NGX_INVALID_FILE) {
|
|
904 (void) ngx_http_dav_error(ctx->log, ngx_errno, 0, ngx_open_file_n, dir);
|
|
905 goto failed;
|
|
906 }
|
|
907
|
|
908 if (ngx_set_file_time(NULL, fd, ctx->mtime) != NGX_OK) {
|
|
909 ngx_log_error(NGX_LOG_ALERT, ctx->log, ngx_errno,
|
|
910 ngx_set_file_time_n " \"%s\" failed", dir);
|
|
911 }
|
|
912
|
|
913 if (ngx_close_file(fd) == NGX_FILE_ERROR) {
|
|
914 ngx_log_error(NGX_LOG_ALERT, ctx->log, ngx_errno,
|
|
915 ngx_close_file_n " \"%s\" failed", dir);
|
|
916 }
|
362
|
917 }
|
286
|
918
|
|
919 failed:
|
|
920
|
|
921 #else
|
|
922
|
|
923 if (ngx_set_file_time(dir, 0, ctx->mtime) != NGX_OK) {
|
|
924 ngx_log_error(NGX_LOG_ALERT, ctx->log, ngx_errno,
|
|
925 ngx_set_file_time_n " \"%s\" failed", dir);
|
|
926 }
|
|
927
|
|
928 #endif
|
|
929
|
|
930 ngx_free(dir);
|
|
931
|
|
932 return NGX_OK;
|
|
933 }
|
|
934
|
|
935
|
|
936 static ngx_int_t
|
362
|
937 ngx_http_dav_copy_tree_file(ngx_tree_ctx_t *ctx, ngx_str_t *path)
|
286
|
938 {
|
|
939 u_char *p, *file;
|
|
940 size_t len;
|
514
|
941 ngx_copy_file_t cf;
|
286
|
942 ngx_http_dav_copy_ctx_t *copy;
|
|
943
|
|
944 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, ctx->log, 0,
|
|
945 "http copy file: \"%s\"", path->data);
|
|
946
|
|
947 copy = ctx->data;
|
|
948
|
|
949 len = copy->path.len + path->len;
|
|
950
|
|
951 file = ngx_alloc(len + 1, ctx->log);
|
|
952 if (file == NULL) {
|
|
953 return NGX_ABORT;
|
|
954 }
|
|
955
|
|
956 p = ngx_cpymem(file, copy->path.data, copy->path.len);
|
|
957 (void) ngx_cpystrn(p, path->data + copy->len, path->len - copy->len + 1);
|
|
958
|
|
959 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, ctx->log, 0,
|
|
960 "http copy file to: \"%s\"", file);
|
|
961
|
514
|
962 cf.size = ctx->size;
|
|
963 cf.buf_size = 0;
|
|
964 cf.access = ctx->access;
|
|
965 cf.time = ctx->mtime;
|
|
966 cf.log = ctx->log;
|
|
967
|
|
968 (void) ngx_copy_file(path->data, file, &cf);
|
362
|
969
|
|
970 ngx_free(file);
|
|
971
|
|
972 return NGX_OK;
|
|
973 }
|
|
974
|
|
975
|
|
976 static ngx_int_t
|
286
|
977 ngx_http_dav_depth(ngx_http_request_t *r, ngx_int_t dflt)
|
|
978 {
|
|
979 ngx_table_elt_t *depth;
|
296
|
980
|
286
|
981 depth = r->headers_in.depth;
|
|
982
|
|
983 if (depth == NULL) {
|
|
984 return dflt;
|
|
985 }
|
|
986
|
|
987 if (depth->value.len == 1) {
|
|
988
|
|
989 if (depth->value.data[0] == '0') {
|
|
990 return 0;
|
|
991 }
|
|
992
|
|
993 if (depth->value.data[0] == '1') {
|
|
994 return 1;
|
|
995 }
|
|
996
|
|
997 } else {
|
|
998
|
|
999 if (depth->value.len == sizeof("infinity") - 1
|
|
1000 && ngx_strcmp(depth->value.data, "infinity") == 0)
|
|
1001 {
|
|
1002 return NGX_HTTP_DAV_INFINITY_DEPTH;
|
|
1003 }
|
|
1004 }
|
|
1005
|
|
1006 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
1007 "client sent invalid \"Depth\" header: \"%V\"",
|
|
1008 &depth->value);
|
|
1009
|
|
1010 return NGX_HTTP_DAV_INVALID_DEPTH;
|
|
1011 }
|
|
1012
|
|
1013
|
|
1014 static ngx_int_t
|
|
1015 ngx_http_dav_error(ngx_log_t *log, ngx_err_t err, ngx_int_t not_found,
|
186
|
1016 char *failed, u_char *path)
|
|
1017 {
|
|
1018 ngx_int_t rc;
|
|
1019 ngx_uint_t level;
|
|
1020
|
|
1021 if (err == NGX_ENOENT || err == NGX_ENOTDIR || err == NGX_ENAMETOOLONG) {
|
|
1022 level = NGX_LOG_ERR;
|
|
1023 rc = not_found;
|
|
1024
|
|
1025 } else if (err == NGX_EACCES || err == NGX_EPERM) {
|
|
1026 level = NGX_LOG_ERR;
|
|
1027 rc = NGX_HTTP_FORBIDDEN;
|
|
1028
|
|
1029 } else if (err == NGX_EEXIST) {
|
|
1030 level = NGX_LOG_ERR;
|
|
1031 rc = NGX_HTTP_NOT_ALLOWED;
|
|
1032
|
|
1033 } else if (err == NGX_ENOSPC) {
|
|
1034 level = NGX_LOG_CRIT;
|
|
1035 rc = NGX_HTTP_INSUFFICIENT_STORAGE;
|
|
1036
|
|
1037 } else {
|
|
1038 level = NGX_LOG_CRIT;
|
|
1039 rc = NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
1040 }
|
|
1041
|
286
|
1042 ngx_log_error(level, log, err, "%s \"%s\" failed", failed, path);
|
186
|
1043
|
|
1044 return rc;
|
|
1045 }
|
|
1046
|
|
1047
|
|
1048 static ngx_int_t
|
|
1049 ngx_http_dav_location(ngx_http_request_t *r, u_char *path)
|
|
1050 {
|
|
1051 u_char *location;
|
|
1052 ngx_http_core_loc_conf_t *clcf;
|
|
1053
|
|
1054 r->headers_out.location = ngx_palloc(r->pool, sizeof(ngx_table_elt_t));
|
|
1055 if (r->headers_out.location == NULL) {
|
|
1056 return NGX_ERROR;
|
|
1057 }
|
|
1058
|
|
1059 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
1060
|
|
1061 if (!clcf->alias && clcf->root_lengths == NULL) {
|
|
1062 location = path + clcf->root.len;
|
|
1063
|
|
1064 } else {
|
382
|
1065 location = ngx_pnalloc(r->pool, r->uri.len);
|
186
|
1066 if (location == NULL) {
|
|
1067 return NGX_ERROR;
|
|
1068 }
|
|
1069
|
|
1070 ngx_memcpy(location, r->uri.data, r->uri.len);
|
|
1071 }
|
|
1072
|
|
1073 /*
|
|
1074 * we do not need to set the r->headers_out.location->hash and
|
|
1075 * r->headers_out.location->key fields
|
|
1076 */
|
|
1077
|
|
1078 r->headers_out.location->value.len = r->uri.len;
|
|
1079 r->headers_out.location->value.data = location;
|
|
1080
|
|
1081 return NGX_OK;
|
|
1082 }
|
|
1083
|
|
1084
|
182
|
1085 static void *
|
|
1086 ngx_http_dav_create_loc_conf(ngx_conf_t *cf)
|
|
1087 {
|
|
1088 ngx_http_dav_loc_conf_t *conf;
|
|
1089
|
|
1090 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_dav_loc_conf_t));
|
|
1091 if (conf == NULL) {
|
496
|
1092 return NULL;
|
182
|
1093 }
|
|
1094
|
|
1095 /*
|
|
1096 * set by ngx_pcalloc():
|
|
1097 *
|
|
1098 * conf->methods = 0;
|
|
1099 */
|
|
1100
|
364
|
1101 conf->min_delete_depth = NGX_CONF_UNSET_UINT;
|
362
|
1102 conf->access = NGX_CONF_UNSET_UINT;
|
186
|
1103 conf->create_full_put_path = NGX_CONF_UNSET;
|
|
1104
|
182
|
1105 return conf;
|
|
1106 }
|
|
1107
|
|
1108
|
|
1109 static char *
|
|
1110 ngx_http_dav_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child)
|
|
1111 {
|
|
1112 ngx_http_dav_loc_conf_t *prev = parent;
|
|
1113 ngx_http_dav_loc_conf_t *conf = child;
|
|
1114
|
|
1115 ngx_conf_merge_bitmask_value(conf->methods, prev->methods,
|
186
|
1116 (NGX_CONF_BITMASK_SET|NGX_HTTP_DAV_OFF));
|
|
1117
|
362
|
1118 ngx_conf_merge_uint_value(conf->min_delete_depth,
|
|
1119 prev->min_delete_depth, 0);
|
182
|
1120
|
218
|
1121 ngx_conf_merge_uint_value(conf->access, prev->access, 0600);
|
|
1122
|
362
|
1123 ngx_conf_merge_value(conf->create_full_put_path,
|
|
1124 prev->create_full_put_path, 0);
|
|
1125
|
182
|
1126 return NGX_CONF_OK;
|
|
1127 }
|
|
1128
|
|
1129
|
|
1130 static ngx_int_t
|
230
|
1131 ngx_http_dav_init(ngx_conf_t *cf)
|
182
|
1132 {
|
|
1133 ngx_http_handler_pt *h;
|
|
1134 ngx_http_core_main_conf_t *cmcf;
|
|
1135
|
230
|
1136 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module);
|
182
|
1137
|
|
1138 h = ngx_array_push(&cmcf->phases[NGX_HTTP_CONTENT_PHASE].handlers);
|
|
1139 if (h == NULL) {
|
|
1140 return NGX_ERROR;
|
|
1141 }
|
|
1142
|
|
1143 *h = ngx_http_dav_handler;
|
|
1144
|
|
1145 return NGX_OK;
|
|
1146 }
|